Transformers If a power transformer is operated at very high frequencies, then ______ Core losses will be excessive Primary will draw large power None of the listed here Primary reactance is too much increased Core losses will be excessive Primary will draw large power None of the listed here Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has no losses and magnetic leakage a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings no losses and magnetic leakage a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings 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 A transformer transfers electrical energy from primary to secondary usually with a change in ______ Time period Voltage Frequency Power Time period Voltage Frequency Power ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Magnetising current is greatly increased Reluctance of magnetic path is decreased Hysteresis loss is decreased Eddy current is increased Magnetising current is greatly increased Reluctance of magnetic path is decreased Hysteresis loss is decreased Eddy current is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and low power factor has small magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
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