1.

In a sinusoidal wave, average current is always _______ rms current.(a) Greater than(b) Less than(c) Equal to(d) Not related

Answer» The correct answer is (b) Less than

Best explanation: The average value of current is the sum of all the currents divided by the number of currents whereas RMS current is obtained by squaring all the current values, finding the average and then finding the square root. Hence RMS current is greater than average current.


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