What is meant by root mean square or effective value of alternating current? Derive a relation between it and its peak value.
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Root Mean Square value of AC is that steady current when passed through a resistance for a given time produces the same amount of heat as the alternating current does in the same resistance in the same time. The r.m.s. value or virtual value or effective value of a.c. in 0.707 times the peak value of a.c.
Derive a relation between it and its peak value. Root mean square value of an alternating, ems. It is defined as that value of a steady voltage that produces the same amount of heat in a given resistance as is produced by the given alternating emf when applied to the same resistance for the same time.
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