The magnetising current of a transformer is usually small because it has___________?

Related Mcqs:

The dielectric strength of transformer oil is expected to be______________?

A. lkV B. 33 kV C. 100 kV D. 330 kV...

A transformer cannot raise or lower the voltage of a D.C. supply because_______________?

A. there is no need to change the D.C. voltage B. a D.C. circuit has more losses C. Faraday’s laws of electromagnetic induction are not valid since the rate of change of flux is zero D. none of the above...

Hysteresis loss in a transformer varies as CBmax = maximum flux density) ?

A. Bmax B. Bmax1-6 C. Bmax1-83 D. B max...

A transformer can have zero voltage regulation at______________?

A. leading power factor B. lagging power factor C. unity power factor D. zero power factor...

Which of the following insulating materials can withstand the highest temperature safely ?

A. Cellulose B. Asbestos C. Mica D. Glass fibre...