Question

write the role of carbon brushes in AC generator​

Answer 1

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The primary function of carbon brushes is to deliver or collect current from a rotating part of an electric machine. The brushes should maintain a close contact with rotating part (commutator or slip rings) in order to ensure sparkles operation without wearing itself too quickly.

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Answer 2

Answer:

The primary function of carbon brushes is to collect current from a rotating part of an electric AC generator.