Other than by a manual motor -starter, the control of a 3-phase AC motor is normally by means of either _______- or _______-wire control of an electromagnetic control relay, power contactor, or motor -starter.
Both methods manual and electromagnetic offer simple _________ / _________ control of the electric motor.
A) 2 or 3; ON/OFF
B) 2 or 3; OFF/ON
C) 3 or 2; ON/OFF
D) None of the answers
Show Answer
Answer:A
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