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The thermal energy developed in acurrent carrying resistor is given by U= isqRTisqRT and also U= vit. shouldwe say that U is prpoportional to isqisq or i ?sq= square

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NIKHIL GARG , 14 Years ago
Grade 12
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Siddharth Singhania

Last Activity: 14 Years ago

We can say that,U is proportional to i2 because resitanceR of a particular material and time taken can be kept constant.

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however,"v" and "i" are proportional to each other and so when "v" changes "i" changes, so it cannot be considered as a constant term

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therefore, U is not proportional to i

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