Transformers The voltage transformation ratio of a transformer is equal to the ratio of primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage secondary current to primary current primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ None of the listed here Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency None of the listed here Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open switched shorted fused open switched shorted fused ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary by the flux None of these through air through cooling coil by the flux None of these through air through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:1 1:2 2:1 Can be any ratio 1:1 1:2 2:1 Can be any ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 15 A 5 A 20 A 10 A 15 A 5 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
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