Commutator is a device in d.c. motor which: - Vidyadip

MCQ

Commutator is a device in d.c. motor which:

A
increases the power
B
reverses direction of current after full rotation of coil
✓
reverses direction of current after half rotation of coil.
D
increases the strength of electromagnet

✓

Answer

Correct option: C.

reverses direction of current after half rotation of coil.

C

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