Q
The synchronous motor is not inherently self-starting because_______________?
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A
A. The force required to accelerate the rotor to the synchronous speed in an instant is absent
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B
B. The starting device to accelerate the rotor to near synchronous speed is absent
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C
C. A rotating magnetic field does not have enough poles
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D
D. The rotating magnetic field is produced by only 50 hz frequency currents
Correct Answer:
A. A. The force required to accelerate the rotor to the synchronous speed in an instant is absent
