Question

state and derive joule's law of heating​

Answer 1

Joules Law states that the heat produced in the conductor is always directly proportional to: 1) the square of the current flowing through the conductor. 3) time for which the current flows through the conductor.

Answer 2

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STATEMENT: It states that when a current(i) passes through a conductor of resistance(r) for time(t) then the heat developed in the conductor = the product of sq. of current,the resistance and the time.

DERIVATION: For knowing derivation plz see the attachment.