Definition in Class 9 Science : Practice MCQ Questions & Answers with Explanations

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Which of the following is true about power?

It is the energy stored in an object

It is measured in newtons

It is the rate at which energy is used

It is inversely proportional to time

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Correct Answer: C — It is the rate at which energy is used

Explanation:

Power is the rate at which work is done or energy is used.