What is the sum of the instantaneous current values over one complete $AC$ cycle ?
What is the sum of the instantaneous current values over one complete $AC$ cycle ?
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What is the $r.m.s$. value of an alternating current which when passed through a resistor produces heat which is thrice of that produced by a direct current of $2$ amperes in the same resistor......$amp$
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$(b)$ The $rms$ value of current in an ac circuit is $10\; A$. What is the peak current?