The Voltage Supplied to an Ac Circuit Is Given by V(t)

question 43

Multiple Choice

The voltage supplied to an ac circuit is given by v(t) = (120 V) sin (60t) . What are the rms voltage and the frequency?

• A) 120 V, 60 Hz
• B) 120 V, 380 Hz
• C) 170 V, 9.5 Hz
• D) 85 V, 9.5 Hz
• E) 240 V, 30 Hz