Q. The peak value of 220 $volts$ of ac mains is
A) 155.6 $volts$
B) 220.0 $volts$
C) 311.0 $volts$
D) 440 $volts$
Explanation
(c) Peak value $= 220\sqrt{2} = 311\ V$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.