Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller about the same much higher somewhat smaller much smaller about the same much higher somewhat smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 111.5 W 14.1 W 0 W 1,020 W 111.5 W 14.1 W 0 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 5 MVA 15 MVA 1.5 MVA 50 MVA 5 MVA 15 MVA 1.5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine hysteresis losses copper losses core losses eddy current losses hysteresis losses copper losses core losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 1 V 1.7 V 0.85 V 0 V 1 V 1.7 V 0.85 V 0 V ANSWER DOWNLOAD EXAMIANS APP