Electro Magnetic Induction And Alternating Currents Question 501
Question: A motor having an armature of resistance . Is designed to operate at 220 V mains. At full speed, it develops a back emf of 210V. When the motor is running at full speed, the current in the armature is:
Options:
A) 3 A
B) 5 A
C) 7A
D) 10A
Show Answer
Answer:
Correct Answer: B