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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

Harshit Singh , 3 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 3 Years ago

Answer: b Explanation: (b) A device that reverses the direction of current in the arms of armature through a circuit is called commutation.

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