Q
In variable speed motor___________?
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A
A. A stronger commutating field is needed at low speed than at high speed
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B
B. A weaker commutating field is needed at low speed than at high speed
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C
C. Same commutating field is needed at low speed than at high speed
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D
D. None of the above is correct
Correct Answer:
B. B. A weaker commutating field is needed at low speed than at high speed
