Q. In a dc motor, induced e.m.f. will be maximum

A) When motor takes maximum speed
B) When motor starts rotating
C) When speed of motor increases
D) When motor is switched off
Explanation

(a) Back emf $\propto$ speed of motor

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.