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Q.

The heat produced in the resistor is directly proportional to:

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a

Square of the current   

b

Resistance

c

Time

d

All of the given options

answer is D.

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Detailed Solution

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By Joule's law of heating,

H = I2Rt

The heat energy here is directly proportional to the square of current, resistance and the time for which the current has flown. Therefore, the fourth option is correct.

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