Which of the following motors is preferred when smooth and precise speed control over a wide range is desired ?
A. D.C. motor
B. Squirrel cage induction motor
C. Wound rotor induction motor
D. Synchronous motor
Answer:A
Which of the following motors is preferred when smooth and precise speed control over a wide range is desired ?
A. D.C. motor B. Squirrel cage induction motor C. Wound rotor induction motor D. Synchronous motor