Electro Magnetic Induction And Alternating Currents Question 236
Question: In a dc motor, induced e.m.f. will be maximum [RPMT 1997]
Options:
A) When motor takes maximum speed
B) When motor starts rotating
C) When speed of motor increases
D) When motor is switched off
Show Answer
Answer:
Correct Answer: A
Solution:
Back $ emf\propto speed\ of\ motor. $
