Guest

Multiple Choice Questions on Magnetic Effect of Electric Current Question 17. In electric motor, to make the coil rotating continuously in the same direction, current is reversed in the coil after every half rotation by a device called (a) carbon brush (b) commutator (c) slip ring (d) armature

Multiple Choice Questions on Magnetic Effect of Electric Current Question 17. In electric motor, to make the coil rotating continuously in the same direction, current is reversed in the coil after every half rotation by a device called
(a) carbon brush
(b) commutator
(c) slip ring
(d) armature

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
Answer: b Explanation: (b) A device that reverses the direction of current in the arms of armature through a circuit is called commutation.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free