Q. An ac generator, produces an output voltage $E = 170\sin{377\ t\ volts}$, where $t$ is in seconds. The frequency of ac voltage is
A) 50 $Hz$
B) 110 $Hz$
C) 60 $Hz$
D) 230 $Hz$
Explanation
(c) $2\pi v = 377\ \Rightarrow v = 60.03\ Hz$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.