Transformers No-load on a transformer is carried out to determine copper loss magnetising current magnetising current and loss efficiency of the transformer copper loss magnetising current magnetising current and loss efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 75% 65% 95 % 85% 75% 65% 95 % 85% ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine eddy current losses core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at no load at full load at 50% full load at 80% full load at no load at full load at 50% full load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Power Impedance Voltage Current Power Impedance Voltage ANSWER DOWNLOAD EXAMIANS APP
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