In variable speed motor________?
Aa weaker commutating field is needed at low speed than at high speed
Bsame commutating field is needed at low speed than at high speed
Cnone of the above is correct
Da stronger commutating field is needed at low speed than at high speed
Correct answer
A. a weaker commutating field is needed at low speed than at high speed
Explanation
The correct answer is a weaker commutating field is needed at low speed than at high speed.