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 The voltage transformation ratio of a transformer is equal to the ratio of primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Oil cooled transformer Auto transformer Welding transformer Air-cooled transformer Oil cooled transformer Auto transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil by the flux None of these through air through cooling coil by the flux None of these through air ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 30-40% Above 40% 15-30% 3-5% 30-40% Above 40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here Magnetically ANSWER DOWNLOAD EXAMIANS APP
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