Transformers What is the approximate efficiency of large transformers? 85% 65% 75% 95 % 85% 65% 75% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? High voltage winding Primary winding Secondary winding Low voltage winding High voltage winding Primary winding Secondary winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations saturation of core fluctuating load poor insulation mechanical vibrations saturation of core fluctuating load poor insulation ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Voltage Current Power Impedance Voltage Current Power ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 95% 50% 80% 65% 95% 50% 80% 65% ANSWER DOWNLOAD EXAMIANS APP
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