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Which of the following statements are true? (a)Power is proportional to voltage only

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Which of the following statements are true?

(a) Power is proportional to voltage only

(b) Power is proportional to current only

(c) Power is neither proportional to voltage nor to the current

(d) Power is proportional to both the voltage and current

I had been asked this question in an interview.

My question is taken from Power topic in portion Simple DC Networks of Basic Electrical Engineering

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Right answer is (d) Power is proportional to both the voltage and current

Best explanation: Power is proportional to both voltage and current.

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