An alternating potential difference is connected across a pure resistor and the frequency of the supply is varied but the rms value of the voltage is kept constant. The mean rate of heat dissipated from the resistor is

Question:
 An alternating potential difference is connected across a pure resistor and the frequency of the supply is varied but the rms value of the voltage is kept constant. The mean rate of heat dissipated from the resistor is

1. Directly proportional to f

2.Directly proportional to ??f

3.Directly proportional to f2

4. Inversely proportional to f

Posted Date:-2021-08-31 02:36:31


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