Transformers In a transformer routine efficiency depends upon Load current Supply frequency Both power factor and load current Power factor of load Load current Supply frequency Both power factor and load current Power factor of load ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.4 0.96 4 9.6 0.4 0.96 4 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 25 W 2.5 W 0 W 250 W 25 W 2.5 W 0 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 100 kV lkV 330 kV 33 kV 100 kV lkV 330 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A None of these 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Sludge Moisture Gases Odour Sludge Moisture Gases Odour ANSWER DOWNLOAD EXAMIANS APP
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