In case of _______ speed control by injecting e.m.f. in the rotor circuit is possible,
A. d.c. shunt motor
B. schrage motor
C. synchronous motor
D. slip ring induction motor
Answer:D
In case of _______ speed control by injecting e.m.f. in the rotor circuit is possible,
A. d.c. shunt motor B. schrage motor C. synchronous motor D. slip ring induction motor