Transformers The efficiencies of transformers compared with that of electric motors of the same power are much higher about the same much smaller somewhat smaller much higher about the same much smaller somewhat smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power None of the listed here Leakage reactance Reactive power Apparent power None of the listed here Leakage reactance Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Copper loss Eddy current loss Leakage reactance Hysteresis loss Copper loss Eddy current loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Aluminium Copper Silicon steel Wood Aluminium Copper Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure total loss copper loss insulation resistance core loss total loss copper loss insulation resistance core loss ANSWER DOWNLOAD EXAMIANS APP