The no load current in a transformer lags behind the applied voltage by an angle of about________?
A120″
B90°
C75°
D180°
Correct answer
B. 90°
Explanation
The correct answer is 90°.
Study mode · no timer
Study 132 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
B. 90°
Explanation
The correct answer is 90°.
Correct answer
C. core built-up of laminations of cold rolled grain oriented steel
Explanation
The correct answer is core built-up of laminations of cold rolled grain oriented steel.
Correct answer
B. the voltage applied on primary side is low
Explanation
The correct answer is the voltage applied on primary side is low.
Correct answer
B. moisture
Explanation
The correct answer is moisture.
Correct answer
D. per unit impedance
Explanation
The correct answer is per unit impedance.
Correct answer
B. no losses and magnetic leakage
Explanation
The correct answer is no losses and magnetic leakage.
Correct answer
A. its power factor will deteriorate
Explanation
The correct answer is its power factor will deteriorate.
Correct answer
D. all of the above
Explanation
The correct answer is all of the above.
Correct answer
A. temperature
Explanation
The correct answer is temperature.
Correct answer
B. core flux density is increased
Explanation
The correct answer is core flux density is increased.