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The thermal energy developed in a current carrying resistor is given by U= i(sq)RT and also U= vit. should we say that U is prpoportional to i(sq) or i ? sq= square

The thermal energy developed in a current carrying resistor is given by U= i(sq)RT and also U= vit. should we say that U is prpoportional to i(sq) or i ?


sq= square

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

in general e=vit,but in a resistor v is directly proportional to i, with a constant of proportionality that varies from resistor to resistor and v=ir, therefore e= i2rt for resistors only and is equal to vit otherwise

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