In an A.C circuit, the ratio of r.m.s value to peak value of current is

In an A.C circuit, the ratio of r.m.s value to peak value of current is
  • A.
    2
  • B.
    ( frac{1}{2} )
  • C.
    ( frac{1}{sqrt{2}} )
  • D.
    ( sqrt{2} )
Correct Answer: Option C
Explanation

Irms = ( frac{I_0}{sqrt{2}} )
( text{Therefore } sqrt{2Irms} = I_0 \
frac{Irms}{I_0} = frac{1}{sqrt{2}} )

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