When a real clock timer controls equipment, the timing mechanism is normally a ________________ clock motor
. ________________ indicates the motor will run at the exact speed of the rotating electromagnetic field generated in the stator of the motor by the 60 Hz line frequency and determined by the number of pole pairs in the motor.
A) synchronous; Synchronous
B) asynchronous; Asynchronous
C) none of the answers
D) asynchronous; Synchronous
Show Answer
Answer:A
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