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EXPLAIN JOULE'S LAW

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 Joule’s law of heating-

 According to Joule’s law of heating, the heat produced in a wire is directly proportional to :

 (i) square of the current (I2

(ii) the resistance of the wire (R) 

(iii) time (t), for which current is passed

And It is given by the formula H =I^2\times R\times t

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