Transformers The no load primary current is about ______of full load primary current. 30-40% Above 40% 15-30% 3-5% 30-40% Above 40% 15-30% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance high resistance low reactance low resistance high reluctance high resistance low reactance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses friction and windage losses hysteresis and eddy current losses magnetic losses copper losses friction and windage losses hysteresis and eddy current losses magnetic losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Applied voltage and frequency are constant Leakage flux is small Losses are small Iron core is used Applied voltage and frequency are constant Leakage flux is small Losses are small ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Secondary winding only Both primary and secondary windings Primary winding only None of the listed here Secondary winding only Both primary and secondary windings Primary winding only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine core losses copper losses eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
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