PE Electrical Electronics Practice Questions - PE Electrical And Computer Electronics, Controls, And Communications Exam

A sinusoidal voltage v(t) = 170·cos(377t) V is applied to a circuit. What are the RMS voltage and frequency?

170 V, 377 Hz 120 V, 60 Hz 120 V, 377 Hz 170 V, 60 Hz

Correct Answer:

120 V, 60 Hz

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