Electro Magnetic Induction And Alternating Currents Question 237
Question: An electric motor operating on a 60 V dc supply draws a current of 10 A. If the efficiency of the motor is 50%, the resistance of its winding is [AMU (Engg.) 2001]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
Efficiency
and
