Sparking, is discouraged in a D.C. motor because_____________? – McqOptions

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1.	Sparking, is discouraged in a D.C. motor because_____________?
A.	It increases the input power con-sumption
B.	Commutator gets damaged
C.	Both A. and B.
D.	None of the above
Answer» C. Both A. and B.

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