Alternating Current · Class 12 · CBSE · Science Physics

The root-mean-square (rms) value of an alternating current of peak value I0 is:

Practice question from Alternating Current (Class 12 · CBSE · Science Physics), with the correct answer and a step-by-step solution.

easy · MCQ · Q-1610ED

The root-mean-square (rms) value of an alternating current of peak value I0 is:

  1. A.I0
  2. B.I0 / sqrt(2)Correct answer
  3. C.I0 / 2
  4. D.sqrt(2) I0

Solution

It comes from averaging I0^2 sin^2 over a cycle.

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