Transformers Leakage flux in a transformer occurs because Transformer is not an efficient device Iron core has high permeability Air is not a good magnetic insulator Applied voltage is sinusoidal Transformer is not an efficient device Iron core has high permeability Air is not a good magnetic insulator Applied voltage is sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one less than one great than one None of these approximately equal to one less than one great than one None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 50% 80% 95% 65% 50% 80% 95% 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Odour Sludge Gases Moisture Odour Sludge Gases Moisture ANSWER DOWNLOAD EXAMIANS APP
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