Q. The frequency of ac mains in India is
A) 30 $c/s$ or $Hz$
B) 50 $c/s$ or $Hz$
C) 60 $c/s$ or $Hz$
D) 120 $c/s$ or $Hz$
Explanation
The correct answer is Option B: 50 $c/s$ or $Hz$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.