. The rapid wear of brushes takes place due to - Study24x7
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Goraksha Dadhich
18 Mar 2019 11:18 AM study24x7 study24x7

. The rapid wear of brushes takes place due to

A

abrasion from dust

B

excessive spring pressure, high mica insulation between com-mutation bars

C

rough commutator bars

D

all of the above factors

Banking Railways UPSC Sciences
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