Q.

A 200V dc machine has 4 poles and 40 coils, having simplex lap winding. The number of commutator segments which required in the given machine will be?

A. 40
B. 20
C. 80
D. 26
Answer» A. 40
Explanation: it is a simplex winding and so one segment of commutator will be needed for each coil.
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