When secondary of a current transformer is open-circuited its iron core will be__________?

Related Mcqs:

The efficiency of a transformer will be maximum when_____________?

A. copper losses = hysteresis losses B. hysteresis losses = eddy current losses C. eddy current losses = copper losses D. copper losses = iron losses...

Helical coils can be used on___________?

A. low voltage side of high kVA transformers B. high frequency transformers C. high voltage side of small capacity transformers D. high voltage side of high kVA rating transformers...

A Buchholz relay can be installed on______________?

A Buchholz relay can be installed on A. auto-transformers B. air-cooled transformers C. welding transformers D. oil cooled transformers...

The voltage transformation ratio of a transformer is equal to the ratio of_______________?

A. primary turns to secondary turns B. secondary current to primary current C. secondary induced e.m.f. to primary induced e.m.f D. secondary terminal voltage to primary applied voltage...

Losses which occur in rotating electric machines and do not occur in transformers are___________?

A. friction and windage losses B. magnetic losses C. hysteresis and eddy current losses D. copper losses...