Transformers The all day efficiency of a transformer is also called its Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Power Impedance Voltage Current Power Impedance Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure insulation resistance core loss total loss copper loss insulation resistance core loss total loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns None of the listed here Resistance and leakage reactances Currents and induced voltages Ampere turns and voltage per turns ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only None of the listed here Dc only ANSWER DOWNLOAD EXAMIANS APP