Q. When a wire loop is rotated in a magnetic field, the direction of induced e.m.f. changes one in each
A) 1/4 revolution
B) 1/2 revolution
C) 1 revolution
D) 2 revolution
Explanation
(b) This is the case of periodic EMI
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.