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In a dc motor if the brushes are given a backward shift, then

February 7, 2022
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In a dc motor if the brushes are given a backward shift, then

Q. In a dc motor if the brushes are given a backward shift, then

A.            Commutation improves and speed decreases

B.            Commutation is unaffected and speed increases

C.            Commutation improves and speed increases

D.            Commutation worsens and speed decreases

Answer: Commutation improves and speed increases

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