When the field of a synchronous motor is under-excited, the power factor will be________?
Azero
Bunity
Clagging
Dleading
Correct answer
C. lagging
Explanation
The correct answer is lagging.
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Study 3,658 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
C. lagging
Explanation
The correct answer is lagging.
Correct answer
B. High voltage winding
Explanation
The correct answer is High voltage winding.
Correct answer
A. decreases
Explanation
The correct answer is decreases.
Correct answer
D. None of these
Explanation
The correct answer is None of these.
Correct answer
B. induction motors
Explanation
The correct answer is induction motors.
Correct answer
B. hum
Explanation
The correct answer is hum.
Correct answer
C. Closed loop
Explanation
The correct answer is Closed loop.
Correct answer
A. absorbed by the circuit of relay
Explanation
The correct answer is absorbed by the circuit of relay.
Correct answer
D. high
Explanation
The correct answer is high.
Correct answer
B. All of the above
Explanation
The correct answer is All of the above.