State joules law of heating, Physics

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Q State Joule's law of heating?

The heat produced in a conductor is

(i) Unswervingly proportional to the square of the current for a given R

(ii) Unswervingly proportional to resistance R for a given I and

(iii) Unswervingly proportional to the time of passage of current.

That is H = I2Rt


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