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Joule heating

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3332: 3285: 2730: 3344: 3140:, and fermentation. These allow for ohmic heating to pasteurize particulate foods for hot filling, pre-heat products prior to canning, and aseptically process ready-to-eat meals and refrigerated foods. Prospective examples are outlined in Table 2 as this food processing method has not been commercially approved by the FDA. Since there is currently insufficient data on electrical conductivities for solid foods, it is difficult to prove the high quality and safe process design for ohmic heating. Additionally, a successful 2741:(also called "high-temperature short-time" (HTST)) aseptic process that runs an alternating current of 50–60 Hz through food. Heat is generated through the food's electrical resistance. As the product heats, electrical conductivity increases linearly. A higher electrical current frequency is best as it reduces oxidation and metallic contamination. This heating method is best for foods that contain particulates suspended in a weak salt-containing medium due to their high resistance properties. 62: 3374: 3359: 31: 3320: 3301: 3129:
products. A food product's electrical conductivity is a function of temperature, frequency, and product composition. This may be increased by adding ionic compounds, or decreased by adding non-polar constituents. Changes in electrical conductivity limit ohmic heating as it is difficult to model the thermal process when temperature increases in multi-component foods.
2618: 1123:. When the charged particles collide with the quasi-particles in the conductor (i.e. the canonically quantized, ionic lattice oscillations in the harmonic approximation of a crystal), energy is being transferred from the electrons to the lattice (by the creation of further lattice oscillations). The oscillations of the ions are the origin of the radiation (" 2443: 2809:
The generator creates the electrical current which flows to the first electrode and passes through the food product placed in the electrode gap. The food product resists the flow of current causing internal heating. The current continues to flow to the second electrode and back to the power source to
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equipment may make use of Joule heating: running current through food material (which behave as an electrical resistor) causes heat release inside the food. The alternating electrical current coupled with the resistance of the food causes the generation of heat. A higher resistance increases the heat
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Ohmic heating is limited by viscosity, electrical conductivity, and fouling deposits. The density of particles within the suspension liquid can limit the degree of processing. A higher viscosity fluid will provide more resistance to heating, allowing the mixture to heat up quicker than low viscosity
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is placed between the lines and consumption. When a high-voltage, low-intensity current in the primary circuit (before the transformer) is converted into a low-voltage, high-intensity current in the secondary circuit (after the transformer), the equivalent resistance of the secondary circuit becomes
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The definition of the efficiency of a heating process requires defining the boundaries of the system to be considered. When heating a building, the overall efficiency is different when considering heating effect per unit of electric energy delivered on the customer's side of the meter, compared to
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and resistance factors. In particulate foods, the particles heat up faster than the liquid matrix due to higher resistance to electricity and matching conductivity can contribute to uniform heating. This prevents overheating of the liquid matrix while particles receive sufficient heat processing.
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properties of food. Heat transfer is uniform to reach areas of food that are harder to heat. Less fouling accumulates on the electrodes as compared to other heating methods. Ohmic heating also requires less cleaning and maintenance, resulting in an environmentally cautious heating method.
2242: 4764:. In: V.P.Singh and B.Kumar (eds.), Subsurface-Water Hydrology, Vol.2 of the Proceedings of the International Conference on Hydrology and Water Resources, New Delhi, India. Kluwer Academic Publishers, Dordrecht, The Netherlands. pp. 153–160. 1725: 1749: 2148: 2044: 1179:, or ring mains, used in UK homes are another example, where power is delivered to outlets at lower currents (per wire, by using two paths in parallel), thus reducing Joule heating in the wires. Joule heating does not occur in 3097:
results in cell death. In membrane rupture, cells swell due to an increase in moisture diffusion across the cell membrane. Pronounced disruption and decomposition of cell walls and cytoplasmic membranes causes cells to lyse.
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increases, and this is the key process parameter that affects heating uniformity and heating rate. This heating method is best for foods that contain particulates suspended in a weak salt containing medium due to their high
2613:{\displaystyle {\frac {\mathrm {d} P}{\mathrm {d} V}}={\frac {1}{2}}{\hat {\mathbf {J} }}\cdot {\hat {\mathbf {E} }}^{*}={\frac {1}{2}}{\hat {\mathbf {J} }}\cdot {\hat {\mathbf {J} }}^{*}/\sigma ={\frac {1}{2}}J^{2}\rho ,} 3196:
Food reheating and waste sterilization. Less energy consumption for heating food to serving temperature, products in reusable pouches with long shelf life. Additive free foods with good keeping quality of 3 years.
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generated. Ohmic heating allows for fast and uniform heating of food products, which maintains quality. Products with particulates heat up faster (compared to conventional heat processing) due to higher resistance.
3065:. Volumetric heating allows internal heating instead of transferring heat from a secondary medium. This results in the production of safe, high quality food with minimal changes to structural, nutritional, and 3219:
To improve food safety and enhance shelf life, increased stability and energy efficiency, Reduced time for inactivation of lipoxygenase and polyphenol oxidase, inactivation of enzymes without affecting flavor
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Luong, Duy X.; Bets, Ksenia V.; Algozeeb, Wala Ali; Stanford, Michael G.; Kittrell, Carter; Chen, Weiyin; Salvatierra, Rodrigo V.; Ren, Muqing; McHugh, Emily A.; Advincula, Paul A.; Wang, Zhe (January 2020).
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The cooking time could be reduced significantly. The centre temperature rises much faster than in conventional heating, improving the final sterility of the product, less power consumption and safer product
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Chen, Weiyin; Li, John Tianci; Wang, Zhe; Algozeeb, Wala A.; Luong, Duy Xuan; Kittrell, Carter; McHugh, Emily A.; Advincula, Paul A.; Wyss, Kevin M.; Beckham, Jacob L.; Stanford, Michael G. (2021-07-27).
2685:. In order to minimize transmission losses, the resistance of the lines has to be as small as possible compared to the load (resistance of consumer appliances). Line resistance is minimized by the use of 3518: 2871:
Table 1 shows the electrical conductivity values of certain foods to display the effect of composition and salt concentration. The high electrical conductivity values represent a larger number of
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transfer electrical energy from electricity producers to consumers. Those power lines have a nonzero resistance and therefore are subject to Joule heating, which causes transmission losses.
1609: 2373: 2438: 2407: 1942: 1505: 3249:, including graphene and diamond. Heating various solid carbon feedstocks (carbon black, coal, coffee grounds, etc.) to temperatures of ~3000 K for 10-150 milliseconds produces 2806:, in direct contact with food, pass electric current through the matrix. The distance between the electrodes can be adjusted to achieve the optimum electrical field strength. 1260: 2802:
There are different configurations for continuous ohmic heating systems, but in the most basic process, a power supply or generator is needed to produce electrical current.
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The split of power between transmission losses (Joule heating in transmission lines) and load (useful energy delivered to the consumer) can be approximated by a
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Joule heating can also be calculated at a particular location in space. The differential form of the Joule heating equation gives the power per unit volume.
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Assuming the element behaves as a perfect resistor and that the power is completely converted into heat, the formula can be re-written by substituting
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Microbial inactivation in ohmic heating is achieved by both thermal and non-thermal cellular damage from the electrical field. This method destroys
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Cauliflower florets, soups, stews, fruit slices in syrups and sauces, ready to cook meals containing particulates, milk, juices, and fruit purees
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installations could use transformers to reduce line losses by Joule heating, at the cost of higher voltage in the transmission lines, compared to
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Joule-heating or resistive-heating is used in multiple devices and industrial process. The part that converts electricity into heat is called a
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due to the removal of active metallic groups in enzymes by the electrical field. Similar to other heating methods, ohmic heating causes
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Decreased processing times in ohmic heating maintains nutritional and sensory properties of foods. Ohmic heating inactivates
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suspended in the product, which is directly proportional to the rate of heating. This value is increased in the presence of
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are usually introduced for the current density and the electric field intensity, respectively. The Joule heating then reads
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can have a coefficient of more than 1.0 since it moves additional thermal energy from the environment to the heated item.
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of the soil (m/day), the hydraulic conductivity is inversely proportional to the hydraulic resistance which compares to
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systems is specifically designed to reduce such losses in cabling by operating with commensurately lower currents. The
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The efficiency by which electricity is converted to heat depends upon on salt, water, and fat content due to their
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of starch. Density, pH, and specific heat of various components in a food matrix can also influence heating rate.
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Sterilisation, heating liquid foods containing large particulates and heat sensitive liquids, aseptic processing
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Deng, Bing; Wang, Xin; Luong, Duy Xuan; Carter, Robert A.; Wang, Zhe; Tomson, Mason B.; Tour, James M. (2022).
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Potato slices, vegetable purees extraction of sucrose from sugar beets, extraction of soy milk from soy beans
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of 1.0, meaning that every joule of electrical energy supplied produces one joule of heat. In contrast, a
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In 1841 and 1842, subsequent experiments showed that the amount of heat generated was proportional to the
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the overall efficiency when also considering the losses in the power plant and transmission of power.
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is the instantaneous active power being converted from electrical energy to heat. Far more often, the
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Flash joule heating (transient high-temperature electrothermal heating) has been used to synthesize
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Benefits of Ohmic heating include: uniform and rapid heating (>1°Cs), less cooking time, better
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Attractive appearance, firmness properties, pasteurization of milk without protein denaturation
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deposits. Although ohmic heating has not yet been approved by the Food and Drug Administration (
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period. By varying the current and the length of the wire he deduced that the heat produced was
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and the square of the current. Joule heating affects the whole electric conductor, unlike the
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materials, as these materials have zero electrical resistance in the superconducting state.
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Voltage can be increased in DC circuits by connecting batteries or solar panels in series.
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are used as a safety, breaking the circuit by melting if enough current flows to melt them.
899: 876: 822: 722: 687: 439: 304: 204: 189: 124: 3053:, lower capital cost, and heating simulataneously throughout food's volume as compared to 1415: 1364: 61: 8: 3756: – Process of heating an electrically conducting object by electromagnetic induction 3133: 2709: 2675: 2670: 933: 782: 762: 757: 564: 549: 434: 404: 299: 229: 4626: 4545: 3261:. Beginning from a fluorinated carbon source, fluorinated activated carbon, fluorinated 4737: 4643: 4610: 4573: 4447: 4414: 4349: 4222: 4189: 4133: 3958: 3925: 3833: 3741: 3715: 3691: 3670: 3650: 3602: 3582: 3562: 3137: 3110: 3054: 2749: 1294: 1268: 1108: 657: 397: 199: 159: 479: 4765: 4741: 4729: 4721: 4713: 4648: 4577: 4565: 4557: 4452: 4434: 4388: 4337: 4327: 4295: 4227: 4209: 4121: 4111: 4068: 4058: 3963: 3945: 3901: 3753: 2876: 2648: 2039:{\displaystyle {\frac {\mathrm {d} P}{\mathrm {d} V}}=\mathbf {J} \cdot \mathbf {E} } 1961: 1180: 1119:
that accelerates charge carriers in the direction of the electric field, giving them
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Hamburger patties, meat patties, minced beef, vegetable pieces, chicken, pork cuts
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The most fundamental formula for Joule heating is the generalized power equation:
4507:"Kinetics of Microbial Inactivation for Alternative Food Processing Technologies" 4188:
Varghese, K. Shiby; Pandey, M. C.; Radhakrishna, K.; Bawa, A. S. (October 2014).
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Varghese, K. Shiby; Pandey, M. C.; Radhakrishna, K.; Bawa, A. S. (October 2014).
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In the harmonic case, where all field quantities vary with the angular frequency
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Varghese, K. Shiby; Pandey, M. C.; Radhakrishna, K.; Bawa, A. S. (2014-10-01).
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Electric power transmission § Advantage of high-voltage power transmission
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Heat is generated rapidly and uniformly in the liquid matrix as well as in
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The potential applications of ohmic heating range from cooking, thawing,
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properties. Ohmic heating is beneficial due to its ability to inactivate
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caps around the electrodes controls the environment within the system.
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vaporize propylene glycol and vegetable glycerine by Joule heating.
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The ideal foods for ohmic heating are viscous with particulates.
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is the current travelling through the resistor or other element,
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Electrical energy is linearly translated to thermal energy as
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rise due to a known current flowing through the wire for a 30
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which transfers heat from one electrical junction to another.
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A. M. Prokhorov; et al., eds. (1972). "Joule–Lenz law".
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are the key process parameters which affect heat generation.
1063: 998: 4057:(4th ed.). Kent: Woodhead Publishing/Elsevier Science. 3792: – wire with high resistivity used to create a resistor 3208:
Thawing without increase in moisture content of the product
4326:. Varzakas, Theodoros,, Tzia, Constantina. Boca Raton, FL. 4110:. Ramaswamy, Hosahalli S. Boca Raton, FL: CRC Press. 2014. 3410: 3154:
Table 2. Applications of Ohmic Heating in Food Processing
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glows when the filament is heated by Joule heating, due to
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higher and transmission losses are reduced in proportion.
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is the electric field. For a material with a conductivity
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These formulas are valid for an ideal resistor, with zero
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that generated the template. This led Joule to reject the
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Food processing technology : principles and practice
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power is of more interest than the instantaneous power:
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Varzakas, Theodoros; Tzia, Constantina (2015-10-22).
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Energy dissipated per charge passing through resistor
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first published in December 1840, an abstract in the
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Handbook of food processing : food preservation
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Pages displaying wikidata descriptions as a fallback
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Multiple heating devices use Joule heating, such as
4755:R.J.Oosterbaan, J.Boonstra and K.V.G.K.Rao (1996). 4608: 3786: – Elevated temperature in an electric circuit 3599:-direction per unit of time (m/day), comparable to 3231:Enhanced moisture loss and increase in juice yield 2891:Table 1. Electrical conductivity of selected foods 1036:(at that time the dominant theory) in favor of the 4690: 3750: – Device that converts electricity into heat 3724: 3700: 3679: 3659: 3639: 3611: 3591: 3571: 3551: 3512: 2639: 2612: 2432: 2401: 2367: 2329: 2306: 2272: 2236: 2137: 2104: 2084: 2062: 2038: 1936: 1916: 1894: 1719: 1582: 1499: 1433: 1382: 1345: 1303: 1277: 1254: 1163:) the diversion of energy is often referred to as 4010:Electric power systems: a conceptual introduction 2768:through thermal and non-thermal cellular damage. 2693:specifications of consumer appliances are fixed. 1924:is phase difference between current and voltage, 4783: 2138:{\displaystyle \mathbf {J} =\sigma \mathbf {E} } 1532:When current varies, as it does in AC circuits, 1096:Joule heating is caused by interactions between 38:from an electric toaster, showing red to yellow 4530:"Gram-scale bottom-up flash graphene synthesis" 4470:Kaur, Ranvir; Gul, Khalid; Singh, A.K. (2016). 3848: 3446:a hydraulic equivalent of Joule's law is used: 1115:) between two points of a conductor creates an 1047:Resistive heating was independently studied by 1127:") that one measures in a typical experiment. 3416:As a heating technology, Joule heating has a 1399:Charge passing through resistor per unit time 849: 4469: 4321: 3241:Materials synthesis, recovery and processing 1040:(according to which heat is another form of 27:Heat from a current in an electric conductor 3089:. In electroporation, excessive leakage of 2879:, like acids and salts, but decreased with 2654: 1975:For more details in the reactive case, see 1733:over one or more cycles, and "rms" denotes 4354:: CS1 maint: location missing publisher ( 1186:Resistors create electrical noise, called 1077: 856: 842: 60: 4642: 4487: 4446: 4221: 3957: 3413:, they are distinct physical quantities. 2733:General process for joule heating in food 2368:{\displaystyle e^{-\mathrm {i} \omega t}} 1074:, is equivalent to one joule per second. 890:), also known in countries of the former 4294:. Woodhead Publishing. pp. 831–38. 4285: 4283: 4281: 4279: 4277: 4275: 4273: 4271: 4269: 4267: 4265: 4263: 4261: 4183: 4181: 4179: 4177: 4175: 4173: 4171: 4169: 3367:, used to melt solder in electronic work 3223:Process fish cake, orange juice, juices 2728: 1070:. The commonly known unit of power, the 29: 4665: 4289: 4259: 4257: 4255: 4253: 4251: 4249: 4247: 4245: 4243: 4241: 4167: 4165: 4163: 4161: 4159: 4157: 4155: 4153: 4151: 4149: 4052: 3895: 3871:. Ohio State University. Archived from 3431: 2779:. However, ohmic heating is limited by 1441:, into the generalized power equation: 1130: 1084:Electrical resistivity and conductivity 894:as the Joule–Lenz law, states that the 605:Electromagnetism and special relativity 14: 4784: 4758:The energy balance of groundwater flow 4419:Journal of Food Science and Technology 4408: 4406: 4404: 4379: 4377: 4375: 4373: 4371: 4369: 4367: 4365: 4317: 4315: 4313: 4311: 4194:Journal of Food Science and Technology 4102: 3930:Journal of Food Science and Technology 1521: 4501: 4499: 4100: 4098: 4096: 4094: 4092: 4090: 4088: 4086: 4084: 4082: 3979: 3977: 3866: 3829: 3827: 3390: 2433:{\displaystyle {\hat {\mathbf {E} }}} 2402:{\displaystyle {\hat {\mathbf {J} }}} 625:Maxwell equations in curved spacetime 4387:. CRC Press. 2014. pp. 93–102. 4238: 4146: 4048: 4046: 4044: 4042: 4003: 3919: 3917: 3891: 3889: 3352:used to remove wrinkles from clothes 3150:prevention has yet to be validated. 3136:, peeling, evaporation, extraction, 2775:thereby maintaining nutritional and 1982: 4401: 4362: 4308: 3216:Inactivation of spores and enzymes 1937:{\displaystyle \operatorname {Re} } 1500:{\displaystyle P=IV=I^{2}R=V^{2}/R} 920:Among the many practical uses are: 24: 4496: 4079: 3974: 3900:. MA: Elsevier. pp. 813–844. 3824: 3667:-direction (m/day), comparable to 3444:energy balance of groundwater flow 3121:of starches, melting of fats, and 2724: 2461: 2451: 2353: 2166: 2156: 2010: 2000: 1765: 1762: 1759: 1625: 1622: 1619: 25: 4828: 4666:Michael, Irving (June 22, 2021). 4514:U.S. Food and Drug Administration 4039: 3914: 3886: 3744: – Heating using radio waves 3085:, physical membrane rupture, and 1361:The explanation of this formula ( 1202: 1104:) and the body of the conductor. 1017:of the current multiplied by the 4611:"Rare earth elements from waste" 4385:Ohmic Heating in food processing 4108:Ohmic heating in food processing 3805:Thermal management (electronics) 3409:. While intimately connected to 3401:Heat is not to be confused with 3372: 3357: 3342: 3330: 3318: 3299: 3283: 2771:This method can also inactivate 2557: 2539: 2506: 2488: 2420: 2389: 2314:" term of the macroscopic form. 2284:. This directly resembles the " 2204: 2196: 2188: 2180: 2131: 2120: 2078: 2056: 2032: 2024: 1255:{\displaystyle P=I(V_{A}-V_{B})} 1135:Joule heating is referred to as 990:Proceedings of the Royal Society 4748: 4684: 4659: 4602: 4584: 4520: 4463: 3325:Electric radiative space heater 3193:Space food and military ration 2783:, electrical conductivity, and 2719: 2273:{\displaystyle \rho =1/\sigma } 1395:Energy dissipated per unit time 1192:fluctuation-dissipation theorem 1143:because of its relationship to 4018: 3860: 3845:Большая советская энциклопедия 3495: 3481: 2899:Electrical Conductivity (S/m) 2561: 2543: 2510: 2492: 2424: 2393: 1889: 1876: 1861: 1847: 1841: 1835: 1820: 1806: 1700: 1686: 1671: 1657: 1577: 1571: 1565: 1559: 1550: 1544: 1249: 1223: 13: 1: 4489:10.1080/23311932.2016.1159000 4476:Cogent Food & Agriculture 4012:by Alexandra von Meier, p67, 3817: 3579:) due to friction of flow in 3181:Ohmic cooking of solid foods 1583:{\displaystyle P(t)=U(t)I(t)} 886:Joule's first law (also just 630:Relativistic electromagnetism 3559:= loss of hydraulic energy ( 3253:. FJH has also been used to 3251:turbostratic graphene flakes 2640:{\displaystyle \bullet ^{*}} 2085:{\displaystyle \mathbf {E} } 2070:is the current density, and 2063:{\displaystyle \mathbf {J} } 7: 3991:. American Physical society 3799:Electric resistance welding 3735: 3257:used in modern electronics 3255:recover rare-earth elements 1346:{\displaystyle V_{A}-V_{B}} 1197: 1173:electric power transmission 1062:was subsequently named the 898:of heating generated by an 10: 4833: 4292:Food processing technology 3898:Food Processing Technology 3435: 3418:coefficient of performance 3394: 3337:Electric tabletop hotplate 3294:'s filament emitting light 3275:Joule heating applications 3268: 2664: 2658: 1525: 1081: 979: 902:equals the product of its 355:Liénard–Wiechert potential 4554:10.1038/s41586-020-1938-0 4431:10.1007/s13197-012-0710-3 4206:10.1007/s13197-012-0710-3 3942:10.1007/s13197-012-0710-3 3852:Great Soviet Encyclopedia 3834:Джоуля — Ленца закон 3784:Overheating (electricity) 3771: – chemical compound 3228:Blanching and extraction 3164: 3161: 3158: 3095:intramolecular components 2984:Coffee (black with sugar) 2901: 2898: 2895: 2689:, but the resistance and 1038:mechanical theory of heat 620:Mathematical descriptions 330:Electromagnetic radiation 320:Electromagnetic induction 260:Magnetic vector potential 255:Magnetic scalar potential 3869:"Ohmic Heating of Foods" 2655:Electricity transmission 4710:10.1021/acsnano.1c03536 3867:Ramaswamy, Raghupathy. 3382:, produces hot air flow 3292:incandescent light bulb 2844:Fruit in a syrup medium 2810:close the circuit. The 2773:antinutritional factors 2757:electrical conductivity 2330:{\displaystyle \omega } 2105:{\displaystyle \sigma } 1161:electrical transformers 1078:Microscopic description 926:incandescent light bulb 170:Electrostatic induction 165:Electrostatic discharge 4635:10.1126/sciadv.abm3132 4290:Fellows, P.J. (2017). 4138:: CS1 maint: others ( 4026:"Transformer circuits" 3726: 3710:hydraulic conductivity 3702: 3681: 3661: 3641: 3613: 3593: 3573: 3553: 3514: 3259:from industrial wastes 3006:Starch solution (5.5%) 2859:Heat sensitive liquids 2734: 2641: 2614: 2434: 2403: 2369: 2331: 2308: 2307:{\displaystyle I^{2}R} 2274: 2238: 2139: 2106: 2086: 2064: 2040: 1938: 1918: 1896: 1721: 1584: 1501: 1435: 1384: 1347: 1305: 1279: 1256: 1155:of current use (e.g., 1021:of the immersed wire. 600:Electromagnetic tensor 42: 4053:Fellows, P. (2017) . 3896:Fellows, P.J (2009). 3769:Molybdenum disilicide 3727: 3703: 3682: 3662: 3642: 3640:{\displaystyle v_{x}} 3614: 3594: 3574: 3554: 3552:{\displaystyle dE/dt} 3515: 3123:protein agglutination 2732: 2642: 2615: 2435: 2404: 2370: 2332: 2309: 2275: 2239: 2140: 2107: 2087: 2065: 2041: 1939: 1919: 1917:{\displaystyle \phi } 1897: 1722: 1585: 1502: 1436: 1385: 1348: 1306: 1280: 1257: 1188:Johnson–Nyquist noise 1066:and given the symbol 1019:electrical resistance 946:Electronic cigarettes 593:Covariant formulation 385:Synchrotron radiation 325:Electromagnetic pulse 315:Electromagnetic field 33: 4807:James Prescott Joule 3716: 3692: 3671: 3651: 3624: 3603: 3583: 3563: 3529: 3452: 3432:Hydraulic equivalent 3247:allotropes of carbon 2868:thermal conductivity 2739:flash pasteurization 2676:Overhead power lines 2624: 2444: 2413: 2382: 2341: 2321: 2288: 2250: 2149: 2116: 2096: 2074: 2052: 1993: 1928: 1908: 1750: 1729:where "avg" denotes 1610: 1538: 1445: 1434:{\displaystyle V=IR} 1416: 1383:{\displaystyle P=IV} 1365: 1317: 1295: 1269: 1211: 1131:Power loss and noise 985:James Prescott Joule 900:electrical conductor 635:Stress–energy tensor 560:Reluctance (complex) 305:Displacement current 4627:2022SciA....8M3132D 4546:2020Natur.577..647L 3647:= flow velocity in 3155: 3026:(b) with 0.55% salt 2892: 2737:Joule heating is a 2671:War of the currents 1522:Alternating current 1357:across the element. 934:blackbody radiation 550:Magnetomotive force 435:Electromotive force 405:Alternating current 340:Jefimenko equations 300:Cyclotron radiation 4817:Cooking techniques 4704:(7): 11158–11167. 3839:2014-12-30 at the 3760:Joule's Second Law 3742:Dielectric heating 3722: 3698: 3677: 3657: 3637: 3609: 3589: 3569: 3549: 3510: 3391:Heating efficiency 3153: 3055:aseptic processing 3015:(a) with 0.2% salt 2995:Coffee (with milk) 2890: 2881:nonpolar compounds 2777:sensory properties 2750:aseptic processing 2735: 2637: 2610: 2430: 2399: 2365: 2327: 2304: 2270: 2234: 2135: 2102: 2082: 2060: 2036: 1934: 1914: 1892: 1717: 1580: 1497: 1431: 1380: 1343: 1301: 1275: 1252: 398:Electrical network 235:Gauss magnetic law 200:Static electricity 160:Electric potential 43: 4771:978-0-7923-3651-8 4540:(7792): 647–651. 4425:(10): 2304–2317. 4394:978-1-4200-7109-2 4301:978-0-08-101907-8 4200:(10): 2304–2317. 4014:Google books link 3936:(10): 2304–2317. 3907:978-0-08-101907-8 3754:Induction heating 3725:{\displaystyle R} 3701:{\displaystyle K} 3680:{\displaystyle I} 3660:{\displaystyle x} 3612:{\displaystyle P} 3592:{\displaystyle x} 3572:{\displaystyle E} 3508: 3473: 3238: 3237: 3111:polyphenoloxidase 3051:energy efficiency 3047: 3046: 2902:Temperature (°C) 2821:strength and the 2687:copper conductors 2649:complex conjugate 2592: 2564: 2546: 2533: 2513: 2495: 2482: 2469: 2427: 2396: 2375:, complex valued 2216: 2174: 2018: 1983:Differential form 1962:complex conjugate 1954:complex impedance 1857: 1816: 1791: 1781: 1696: 1667: 1651: 1641: 1304:{\displaystyle I} 1278:{\displaystyle P} 1141:resistive heating 1001:and measured the 965:cartridge heaters 930:thermal radiation 866: 865: 565:Reluctance (real) 535:Gyrator–capacitor 480:Resonant cavities 370:Maxwell equations 16:(Redirected from 4824: 4792:Electric heating 4776: 4775: 4763: 4752: 4746: 4745: 4688: 4682: 4681: 4679: 4678: 4663: 4657: 4656: 4646: 4615:Science Advances 4606: 4600: 4599: 4588: 4582: 4581: 4524: 4518: 4517: 4511: 4503: 4494: 4493: 4491: 4467: 4461: 4460: 4450: 4410: 4399: 4398: 4381: 4360: 4359: 4353: 4345: 4319: 4306: 4305: 4287: 4236: 4235: 4225: 4185: 4144: 4143: 4137: 4129: 4104: 4077: 4076: 4050: 4037: 4036: 4034: 4032: 4022: 4016: 4007: 4001: 4000: 3998: 3996: 3981: 3972: 3971: 3961: 3921: 3912: 3911: 3893: 3884: 3883: 3881: 3880: 3864: 3858: 3856: 3831: 3795: 3774: 3765: 3731: 3729: 3728: 3723: 3707: 3705: 3704: 3699: 3686: 3684: 3683: 3678: 3666: 3664: 3663: 3658: 3646: 3644: 3643: 3638: 3636: 3635: 3618: 3616: 3615: 3610: 3598: 3596: 3595: 3590: 3578: 3576: 3575: 3570: 3558: 3556: 3555: 3550: 3542: 3519: 3517: 3516: 3511: 3509: 3504: 3503: 3502: 3493: 3492: 3479: 3474: 3472: 3464: 3456: 3405:or synonymously 3397:Electric heating 3376: 3361: 3346: 3334: 3322: 3303: 3287: 3200:Stew type foods 3156: 3152: 3037:(c) with 2% salt 2893: 2889: 2819:electrical field 2646: 2644: 2643: 2638: 2636: 2635: 2619: 2617: 2616: 2611: 2603: 2602: 2593: 2585: 2577: 2572: 2571: 2566: 2565: 2560: 2555: 2548: 2547: 2542: 2537: 2534: 2526: 2521: 2520: 2515: 2514: 2509: 2504: 2497: 2496: 2491: 2486: 2483: 2475: 2470: 2468: 2464: 2458: 2454: 2448: 2439: 2437: 2436: 2431: 2429: 2428: 2423: 2418: 2408: 2406: 2405: 2400: 2398: 2397: 2392: 2387: 2374: 2372: 2371: 2366: 2364: 2363: 2356: 2336: 2334: 2333: 2328: 2313: 2311: 2310: 2305: 2300: 2299: 2279: 2277: 2276: 2271: 2266: 2243: 2241: 2240: 2235: 2230: 2229: 2217: 2209: 2207: 2199: 2191: 2183: 2175: 2173: 2169: 2163: 2159: 2153: 2144: 2142: 2141: 2136: 2134: 2123: 2111: 2109: 2108: 2103: 2091: 2089: 2088: 2083: 2081: 2069: 2067: 2066: 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4832: 4831: 4827: 4826: 4825: 4823: 4822: 4821: 4812:Food processing 4782: 4781: 4780: 4779: 4772: 4761: 4753: 4749: 4689: 4685: 4676: 4674: 4664: 4660: 4621:(6): eabm3132. 4607: 4603: 4590: 4589: 4585: 4525: 4521: 4516:. May 30, 2018. 4509: 4505: 4504: 4497: 4468: 4464: 4411: 4402: 4395: 4383: 4382: 4363: 4347: 4346: 4334: 4320: 4309: 4302: 4288: 4239: 4186: 4147: 4131: 4130: 4118: 4106: 4105: 4080: 4065: 4051: 4040: 4030: 4028: 4024: 4023: 4019: 4008: 4004: 3994: 3992: 3983: 3982: 3975: 3922: 3915: 3908: 3894: 3887: 3878: 3876: 3865: 3861: 3841:Wayback Machine 3832: 3825: 3820: 3793: 3790:Resistance wire 3772: 3763: 3748:Heating element 3738: 3717: 3714: 3713: 3693: 3690: 3689: 3672: 3669: 3668: 3652: 3649: 3648: 3631: 3627: 3625: 3622: 3621: 3604: 3601: 3600: 3584: 3581: 3580: 3564: 3561: 3560: 3538: 3530: 3527: 3526: 3498: 3494: 3488: 3484: 3480: 3478: 3465: 3457: 3455: 3453: 3450: 3449: 3440: 3434: 3403:internal energy 3399: 3393: 3388: 3387: 3386: 3383: 3377: 3368: 3362: 3353: 3347: 3338: 3335: 3326: 3323: 3314: 3313:of a light bulb 3304: 3295: 3288: 3277: 3276: 3271: 3243: 3103:antinutritional 3079:electroporation 2877:polar compounds 2873:ionic compounds 2727: 2725:Food processing 2722: 2716:installations. 2706:war of currents 2683:voltage divider 2673: 2663: 2657: 2631: 2627: 2625: 2622: 2621: 2598: 2594: 2584: 2573: 2567: 2556: 2554: 2553: 2552: 2538: 2536: 2535: 2525: 2516: 2505: 2503: 2502: 2501: 2487: 2485: 2484: 2474: 2460: 2459: 2450: 2449: 2447: 2445: 2442: 2441: 2419: 2417: 2416: 2414: 2411: 2410: 2388: 2386: 2385: 2383: 2380: 2379: 2352: 2348: 2344: 2342: 2339: 2338: 2322: 2319: 2318: 2295: 2291: 2289: 2286: 2285: 2262: 2251: 2248: 2247: 2225: 2221: 2208: 2203: 2195: 2187: 2179: 2165: 2164: 2155: 2154: 2152: 2150: 2147: 2146: 2130: 2119: 2117: 2114: 2113: 2097: 2094: 2093: 2077: 2075: 2072: 2071: 2055: 2053: 2050: 2049: 2031: 2023: 2009: 2008: 1999: 1998: 1996: 1994: 1991: 1990: 1985: 1929: 1926: 1925: 1909: 1906: 1905: 1883: 1879: 1864: 1860: 1854: 1850: 1823: 1819: 1813: 1809: 1788: 1784: 1778: 1774: 1758: 1757: 1753: 1751: 1748: 1747: 1709: 1703: 1699: 1693: 1689: 1674: 1670: 1664: 1660: 1648: 1644: 1638: 1634: 1618: 1617: 1613: 1611: 1608: 1607: 1539: 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3822: 3821: 3819: 3816: 3815: 3814: 3808: 3802: 3796: 3787: 3781: 3775: 3766: 3757: 3751: 3745: 3737: 3734: 3733: 3732: 3721: 3697: 3687: 3676: 3656: 3634: 3630: 3619: 3608: 3588: 3568: 3548: 3545: 3541: 3537: 3534: 3507: 3501: 3497: 3491: 3487: 3483: 3477: 3471: 3468: 3463: 3460: 3436:Main article: 3433: 3430: 3407:thermal energy 3395:Main article: 3392: 3389: 3385: 3384: 3378: 3371: 3369: 3365:Soldering iron 3363: 3356: 3354: 3348: 3341: 3339: 3336: 3329: 3327: 3324: 3317: 3315: 3305: 3298: 3296: 3289: 3282: 3279: 3278: 3274: 3273: 3272: 3270: 3267: 3242: 3239: 3236: 3235: 3232: 3229: 3225: 3224: 3221: 3217: 3213: 3212: 3211:Shrimp blocks 3209: 3206: 3205:Ohmic thawing 3202: 3201: 3198: 3194: 3190: 3189: 3186: 3182: 3178: 3177: 3174: 3171: 3167: 3166: 3163: 3160: 3119:gelatinization 3083:cell membranes 3075:microorganisms 3045: 3044: 3041: 3038: 3034: 3033: 3030: 3027: 3023: 3022: 3019: 3016: 3012: 3011: 3009: 3007: 3003: 3002: 2999: 2996: 2992: 2991: 2988: 2985: 2981: 2980: 2977: 2974: 2973:Coffee (black) 2970: 2969: 2966: 2963: 2959: 2958: 2955: 2952: 2948: 2947: 2944: 2941: 2937: 2936: 2933: 2930: 2926: 2925: 2922: 2919: 2915: 2914: 2911: 2908: 2904: 2903: 2900: 2897: 2885:gelatinization 2864: 2863: 2860: 2857: 2854: 2851: 2848: 2845: 2842: 2839: 2836: 2833: 2823:residence time 2766:microorganisms 2726: 2723: 2721: 2718: 2659:Main article: 2656: 2653: 2634: 2630: 2609: 2606: 2601: 2597: 2591: 2588: 2583: 2580: 2576: 2570: 2563: 2559: 2551: 2545: 2541: 2532: 2529: 2524: 2519: 2512: 2508: 2500: 2494: 2490: 2481: 2478: 2473: 2467: 2463: 2457: 2453: 2426: 2422: 2395: 2391: 2362: 2359: 2355: 2351: 2347: 2326: 2303: 2298: 2294: 2269: 2265: 2261: 2258: 2255: 2233: 2228: 2224: 2220: 2215: 2212: 2206: 2202: 2198: 2194: 2190: 2186: 2182: 2178: 2172: 2168: 2162: 2158: 2145:and therefore 2133: 2129: 2126: 2122: 2101: 2080: 2058: 2034: 2030: 2026: 2022: 2016: 2012: 2006: 2002: 1984: 1981: 1933: 1913: 1891: 1886: 1882: 1878: 1875: 1872: 1867: 1863: 1853: 1849: 1846: 1843: 1840: 1837: 1834: 1831: 1826: 1822: 1812: 1808: 1805: 1802: 1799: 1796: 1787: 1777: 1773: 1767: 1764: 1761: 1756: 1731:average (mean) 1716: 1712: 1706: 1702: 1692: 1688: 1685: 1682: 1677: 1673: 1663: 1659: 1656: 1647: 1637: 1633: 1627: 1624: 1621: 1616: 1579: 1576: 1573: 1570: 1567: 1564: 1561: 1558: 1555: 1552: 1549: 1546: 1543: 1526:Main article: 1523: 1520: 1496: 1492: 1486: 1482: 1478: 1475: 1470: 1466: 1462: 1459: 1456: 1453: 1450: 1430: 1427: 1424: 1421: 1392: 1379: 1376: 1373: 1370: 1359: 1358: 1340: 1336: 1332: 1327: 1323: 1312: 1300: 1290: 1274: 1251: 1246: 1242: 1238: 1233: 1229: 1225: 1222: 1219: 1216: 1204: 1203:Direct current 1201: 1199: 1196: 1165:resistive loss 1132: 1129: 1125:thermal energy 1121:kinetic energy 1117:electric field 1088:Drift velocity 1079: 1076: 1034:caloric theory 981: 978: 977: 976: 968: 949: 943: 940:Electric fuses 937: 908:Peltier effect 864: 863: 861: 860: 853: 846: 838: 835: 834: 831: 830: 825: 820: 815: 810: 805: 800: 795: 790: 785: 780: 775: 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111: 110: 107: 106: 105: 104: 99: 94: 89: 84: 79: 74: 66: 65: 57: 56: 50: 49: 48:Articles about 26: 9: 6: 4: 3: 2: 4829: 4818: 4815: 4813: 4810: 4808: 4805: 4803: 4800: 4798: 4795: 4793: 4790: 4789: 4787: 4773: 4767: 4760: 4759: 4751: 4743: 4739: 4735: 4731: 4727: 4723: 4719: 4715: 4711: 4707: 4703: 4699: 4695: 4687: 4673: 4669: 4662: 4654: 4650: 4645: 4640: 4636: 4632: 4628: 4624: 4620: 4616: 4612: 4605: 4597: 4596:New Scientist 4593: 4587: 4579: 4575: 4571: 4567: 4563: 4559: 4555: 4551: 4547: 4543: 4539: 4535: 4531: 4523: 4515: 4508: 4502: 4500: 4490: 4485: 4481: 4477: 4473: 4466: 4458: 4454: 4449: 4444: 4440: 4436: 4432: 4428: 4424: 4420: 4416: 4409: 4407: 4405: 4396: 4390: 4386: 4380: 4378: 4376: 4374: 4372: 4370: 4368: 4366: 4357: 4351: 4343: 4339: 4335: 4333:9781498721769 4329: 4325: 4318: 4316: 4314: 4312: 4303: 4297: 4293: 4286: 4284: 4282: 4280: 4278: 4276: 4274: 4272: 4270: 4268: 4266: 4264: 4262: 4260: 4258: 4256: 4254: 4252: 4250: 4248: 4246: 4244: 4242: 4233: 4229: 4224: 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3381: 3375: 3370: 3366: 3360: 3355: 3351: 3345: 3340: 3333: 3328: 3321: 3316: 3312: 3311:thermal image 3308: 3302: 3297: 3293: 3286: 3281: 3280: 3266: 3264: 3260: 3256: 3252: 3248: 3233: 3230: 3227: 3226: 3222: 3218: 3215: 3214: 3210: 3207: 3204: 3203: 3199: 3195: 3192: 3191: 3187: 3183: 3180: 3179: 3175: 3172: 3169: 3168: 3159:Applications 3157: 3151: 3149: 3148: 3143: 3142:12D reduction 3139: 3135: 3130: 3126: 3124: 3120: 3116: 3112: 3108: 3105:factors like 3104: 3099: 3096: 3092: 3088: 3084: 3080: 3076: 3071: 3068: 3064: 3060: 3056: 3052: 3042: 3039: 3036: 3035: 3031: 3028: 3025: 3024: 3020: 3017: 3014: 3013: 3010: 3008: 3005: 3004: 3000: 2997: 2994: 2993: 2989: 2986: 2983: 2982: 2978: 2975: 2972: 2971: 2967: 2964: 2961: 2960: 2956: 2953: 2950: 2949: 2945: 2942: 2939: 2938: 2934: 2931: 2928: 2927: 2923: 2920: 2917: 2916: 2912: 2909: 2906: 2905: 2894: 2888: 2886: 2882: 2878: 2874: 2869: 2861: 2858: 2855: 2852: 2850:Ice cream mix 2849: 2846: 2843: 2840: 2837: 2834: 2831: 2830: 2829: 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The use of 1166: 1162: 1158: 1154: 1150: 1146: 1142: 1138: 1137:ohmic heating 1128: 1126: 1122: 1118: 1114: 1110: 1105: 1103: 1099: 1093: 1089: 1085: 1075: 1073: 1069: 1065: 1061: 1057: 1052: 1050: 1049:Heinrich Lenz 1045: 1043: 1039: 1035: 1031: 1027: 1022: 1020: 1016: 1012: 1008: 1004: 1000: 996: 992: 991: 986: 973: 969: 966: 962: 958: 954: 950: 947: 944: 941: 938: 935: 932:(also called 931: 927: 923: 922: 921: 918: 916: 911: 909: 905: 901: 897: 893: 889: 884: 882: 878: 874: 870: 869:Joule heating 859: 854: 852: 847: 845: 840: 839: 837: 836: 829: 826: 824: 821: 819: 816: 814: 811: 809: 806: 804: 801: 799: 796: 794: 791: 789: 786: 784: 781: 779: 776: 774: 771: 769: 766: 764: 761: 759: 756: 754: 751: 749: 746: 744: 741: 739: 736: 734: 731: 729: 726: 724: 721: 719: 716: 714: 711: 709: 706: 704: 701: 699: 696: 694: 691: 689: 686: 684: 681: 679: 676: 674: 671: 669: 666: 664: 661: 659: 656: 654: 651: 650: 644: 643: 636: 633: 631: 628: 626: 623: 621: 618: 616: 613: 611: 608: 606: 603: 601: 598: 597: 594: 589: 588: 581: 578: 576: 573: 571: 568: 566: 563: 561: 558: 556: 553: 551: 548: 546: 543: 541: 538: 536: 533: 531: 528: 526: 523: 521: 518: 516: 513: 512: 509: 504: 503: 496: 493: 491: 488: 486: 483: 481: 478: 476: 473: 471: 468: 466: 463: 461: 458: 456: 453: 451: 450:Joule heating 448: 446: 443: 441: 438: 436: 433: 431: 428: 426: 423: 421: 418: 416: 413: 411: 408: 406: 403: 402: 399: 394: 393: 386: 383: 381: 378: 376: 373: 371: 368: 366: 365:Lorentz force 363: 361: 358: 356: 353: 351: 348: 346: 343: 341: 338: 336: 333: 331: 328: 326: 323: 321: 318: 316: 313: 311: 308: 306: 303: 301: 298: 296: 293: 292: 289: 284: 283: 276: 273: 271: 268: 266: 265:Magnetization 263: 261: 258: 256: 253: 251: 250:Magnetic flux 248: 246: 243: 241: 238: 236: 233: 231: 228: 226: 223: 222: 219: 214: 213: 206: 203: 201: 198: 196: 193: 191: 188: 186: 183: 181: 178: 176: 173: 171: 168: 166: 163: 161: 158: 156: 155:Electric flux 153: 151: 148: 146: 143: 141: 138: 136: 133: 131: 128: 126: 123: 121: 118: 117: 114: 109: 108: 103: 100: 98: 95: 93: 92:Computational 90: 88: 85: 83: 80: 78: 75: 73: 70: 69: 68: 67: 63: 59: 58: 55: 52: 51: 47: 46: 41: 40:incandescence 37: 32: 19: 4757: 4750: 4701: 4697: 4686: 4675:. 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Index

Ohmic loss

heating element
incandescence
Electromagnetism
Solenoid
Electricity
Magnetism
Optics
History
Computational
Textbooks
Phenomena
Electrostatics
Charge density
Conductor
Coulomb law
Electret
Electric charge
Electric dipole
Electric field
Electric flux
Electric potential
Electrostatic discharge
Electrostatic induction
Gauss law
Insulator
Permittivity
Polarization
Potential energy

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