Q.

The equalizer rings are used in a lap wound dc generator to 

  • ANeutralize the armature reaction effect
  • BAvoid short circuiting
  • CAvoid unequal distribution of currents at brushes for sparkles commutation
  • DAndroid harmonics generated in the emf provide mechanical balancing
Correct Answer : (C)

Avoid unequal distribution of currents at brushes for sparkles commutation

Hints :

The equalizer rings are used in a lap wound dc generator to avoid unequal distribution of currents at brushes for sparkles commutation.

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