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Is it true that the rate of change of power is not constant all the time; that’s why we use average power instead of power?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
The rate of change of power is not constant all the time; that is why we use average power instead of power. The rate of change of energy is not constant; for example, in an AC circuit, the electric graph is sinusoidal, and the value varies from positive to negative, so we cannot take instantaneous power; that is why we use average power. Power is "the amount of energy transferred per unit of time, known as power." In the International System of Units, the power unit is the watt, which is equal to one joule per second. Power is a scalar quantity.

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