DC Motors
Which motor has the poorest speed control?

Series motor
Differentially compounded motor
Shunt motor
Cummulative compounded motor

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
In variable speed motor

Same commutating field is needed at low speed than at high speed
A weaker commutating field is needed at low speed than at high speed
None of these
A stronger commutating field is needed at low speed than at high speed

ANSWER DOWNLOAD EXAMIANS APP