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A given conductor carrying a current of 1 A. It produces an amount of heat equal to 2000 J. If the current through the conductor is doubled, then the amount of heat produced will be 

(a) 2000 J

(b) 4000 J

(c) 8000 J

(d) 1000 J

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(c) 8000 J

Let resistance of the coil is R and measuring heat produced for time t seconds.

Similarly, when current is doubled, the amount of heat produced is

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