An Ac Generator Supplies a Peak (Not Rms) Voltage of 120.0

Multiple Choice

An ac generator supplies a peak (not rms) voltage of 120.0 V at 60.0 Hz. It is connected in series with a 50.0- $\varOmega$ resistor and a 0.500-H inductor.
-What is the rms voltage of the generator?

A) 84.9 V
B) 138 V
C) 151 V
D) 169 V
E) 240 V