1.

In an ac circuit, the r.m.s. value of current, Irms is related to the peak current, I0 by the relation [AFMC 2002]

A.            \[{{I}_{rms}}=\frac{1}{\pi }{{I}_{0}}\]      
B.            \[{{I}_{rms}}=\frac{1}{\sqrt{2}}{{I}_{0}}\]
C.            \[{{I}_{rms}}=\sqrt{2}{{I}_{0}}\]     
D.            \[{{I}_{rms}}=\pi {{I}_{0}}\]
Answer» C.            \[{{I}_{rms}}=\sqrt{2}{{I}_{0}}\]     


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