The magnitude of counter or back emf in a synchronous motor
A. is always less than supply voltage.
B. is always more than supply voltage.
C. is always equal to supply voltage.
D. may be either equal to or less than or more than supply voltage.
Answer:D
The magnitude of counter or back emf in a synchronous motor
A. is always less than supply voltage. B. is always more than supply voltage. C. is always equal to supply voltage. D. may be either equal to or less than or more than supply voltage.