Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W None of the listed here 200 W 100 W 400 W None of the listed here 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Resistance and leakage reactances Currents and induced voltages None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages None of the listed here Ampere turns and voltage per turns ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Copper Silicon steel Aluminium Wood Copper Silicon steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ None of the listed here Primary will draw large power Primary reactance is too much increased Core losses will be excessive None of the listed here Primary will draw large power Primary reactance is too much increased Core losses will be excessive ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Low voltage winding Secondary winding Primary winding High voltage winding Low voltage winding Secondary winding Primary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
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