Q. The maximum value of AC voltage in a circuit is 707 V. Its rms value is
A) 70.7 V
B) 100 V
C) 500 V
D) 707 V
Explanation
(c) $V_{rms} = \frac{V_{0}}{\sqrt{2}} = \frac{770\sqrt{2}}{2} \approx 500\ V$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.