Question: A sinusoidal voltage vv ( t ) ( t ) has an rms value of 3 0 VV , a period of 1 2 0

A sinusoidal voltage vv (t)(t) has an rms value of 30 VV , a period of 120 ss , and reaches a positive peak at tt =25 ss . Assume v(t)v(t)= Vmcos(t)Vmcos(t).

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