Transformers An isolation transformer has primary to secondady turns ratio of 1:1 1:2 Can be any ratio 2:1 1:1 1:2 Can be any ratio 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 880 V 88 V 8.8 V 8,800 V 880 V 88 V 8.8 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0 V 1 V 1.7 V 0.85 V 0 V 1 V 1.7 V 0.85 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Low voltage winding Secondary winding High voltage winding Primary winding Low voltage winding Secondary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Potential transformer Step-up transformer Auto transformer Current transformer Potential transformer Step-up transformer Auto transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to mechanical vibrations oil in the transformer load changes magnetostriction mechanical vibrations oil in the transformer load changes magnetostriction ANSWER DOWNLOAD EXAMIANS APP
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