In D.C. generators, the cause of rapid brush wear may be________?

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1662Electrical EngineeringMedium

Aany of the above

Bimperfect contact

Crough commutator surface

Dsevere sparking

Correct answer

A. any of the above

Explanation

The correct answer is any of the above.

In D.C. generators, the cause of rapid brush wear may be________? - Answer and Explanation | Academy of Pakistan