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Direct Current vs. Alternating Current

The rms value...

Question

The rms value of an alternating current

A

is equal to

0.707

times peak value.

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B

is equal to

0.636

times peak value.

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C

is equal to

\sqrt{2}

times the peak value.

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D

None of the above

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Solution

The correct option is A is equal to $0.707$ times peak value.
$I_{r m s} = \frac{I_{0}}{\sqrt{2}} = 0.707$ $I_{0}$
Hence, option $A$ is the correct answer.

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