You wish to double the rate of energydissipation in a heating device. You could:

Question

You wish to double the rate of energydissipation in a heating device. You could: 1 doublethe resistance keeping the current the same
doublethe potential difference keeping the resistance thesame
doublethe resistance keeping the potential difference thesame
double the current keeping the resistancethe same
doubleboth the potential difference and current 1 doublethe resistance keeping the current the same
doublethe potential difference keeping the resistance thesame
doublethe resistance keeping the potential difference thesame
double the current keeping the resistancethe same
doubleboth the potential difference and current 1 doublethe resistance keeping the current the same
doublethe potential difference keeping the resistance thesame
doublethe resistance keeping the potential difference thesame
double the current keeping the resistancethe same
doubleboth the potential difference and current 1

Explanation / Answer

Rate of energy dissipation = power = I2 R If current, I, is constant, and R is doubled, then Power isalso doubled because of the direct proportion.   Firstanswer choice would be correct.   All other answer choices are incorrect.

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