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Assertion (A) : The r.m.s value of alter...

Assertion (A) : The r.m.s value of alternating current is defined as the square root of the average of `I^(2)` during a complete cycle.
Reason (R ) : For sinusoidal a.c.
`(I = I_(0) sin wt) I_("rms") = (I_(0))/(sqrt(2))`

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