Change of D.C. excitation of a synchronous motor changes:
Correct answer
A. power factor of power drawn by the motor
Explanation
The correct answer is power factor of power drawn by the motor.
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Study 122 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
A. power factor of power drawn by the motor
Explanation
The correct answer is power factor of power drawn by the motor.
Correct answer
E. the motor continue to run in the same direction
Explanation
The correct answer is the motor continue to run in the same direction.
Correct answer
D. zero
Explanation
The correct answer is zero.
Correct answer
C. always remains constant
Explanation
The correct answer is always remains constant.
Correct answer
A. not start
Explanation
The correct answer is not start.
Correct answer
C. stator supply is relieved of responsibility of producing magnetic field
Explanation
The correct answer is stator supply is relieved of responsibility of producing magnetic field.
Correct answer
D. five degrees
Explanation
The correct answer is five degrees.
Correct answer
B. V
Explanation
The correct answer is V.
Correct answer
C. 3
Explanation
The correct answer is 3.
Correct answer
A. increases to two times the original value
Explanation
The correct answer is increases to two times the original value.