Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Time period Power Voltage Frequency Time period Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high resistance high reluctance low resistance low reactance high resistance high reluctance low resistance low reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load remains constant load on it decreases load on it increases None of these load remains constant load on it decreases load on it increases None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of primary turns to secondary turns secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Power factor of load Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current ANSWER DOWNLOAD EXAMIANS APP
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