1.

If \[{{E}_{0}}\] represents the peak value of the voltage in an ac circuit, the r.m.s. value of the voltage will be [CPMT 1972; MP PMT 1996]

A.   \[\frac{{{E}_{0}}}{\pi }\]  
B.   \[\frac{{{E}_{0}}}{2}\]
C.   \[\frac{{{E}_{0}}}{\sqrt{\pi }}\]     
D.   \[\frac{{{E}_{0}}}{\sqrt{2}}\]
Answer» E.


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