Question

In AC circuits, AC meters measure –

A mean values Correct Answer Incorrect Answer
B rms values Correct Answer Incorrect Answer
C peak values Correct Answer Incorrect Answer
D mean square values Correct Answer Incorrect Answer

Solution

Voltages and currents for AC circuits are generally expressed as rms (root mean square) values. For a sine wave, the relationship between the peak and the rms average is: rms value = 0.707 peak value.

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