Transformers What is the approximate efficiency of large transformers? 95 % 85% 75% 65% 95 % 85% 75% 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Current Voltage Power Impedance Current Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means pulling the motor directly on line without a starter locking of rotor due to harmonics interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load pulling the motor directly on line without a starter locking of rotor due to harmonics interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has core of stainless steel and winding of pure copper metal no losses and magnetic leakage a common core for its primary and secondary windings interleaved primary and secondary windings core of stainless steel and winding of pure copper metal no losses and magnetic leakage a common core for its primary and secondary windings interleaved primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Electrically Magnetically None of the listed here Electrically and magnetically Electrically Magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Secondary winding Core Primary winding Bushings Secondary winding Core Primary winding Bushings ANSWER DOWNLOAD EXAMIANS APP
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