Q. Carbon brushes are used in electric motors to
A. Prevent sparking during commutation
B. Provide a path for flow of current
C. Brush off carbon deposits on the commutator
D. None 0f these
Answer: Provide a path for flow of current
A. Prevent sparking during commutation
B. Provide a path for flow of current
C. Brush off carbon deposits on the commutator
D. None 0f these
Answer: Provide a path for flow of current
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