Question

derivation of joule's law
please give me good answer.......means relevant answer ​

Answer 1

Answer:

He determined that the heat evolved per second is equivalent to the electric power absorbed, or the power loss. A quantitative form of Joule's law is that the heat evolved per second, or the electric power loss, P, equals the current I squared times the resistance R, or P = I²R.

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Answer 2

thanks again for ur sooooo many thanks

,,

P = VI

H = P × t = Vlt

But V = IR (ohm's law)

∴ H = I2Rt