No-load current of a transformer has_____________?

Related Mcqs:

A transformer core is laminated to__________?

A. reduce hysteresis loss B. reduce eddy current losses C. reduce copper losses D. reduce all above losses...

Transformer breaths in when_______________?

A. load on it increases B. load on it decreases C. load remains constant D. none of the above...

During short circuit test iron losses are negligible because of _____________?

A. the current on secondary side is negligible B. the voltage on secondary side does not vary C. the voltage applied on primary side is low D. full-load current is not supplied to the transformer...

N atural air coo ling is generally restricted for transformers up to__________?

A. 1.5 MVA B. 5 MVA C. 15 MVA D. 50 MVA...

Which of the following statements regarding an idel single-phase transformer having a turn ratio of 1 : 2 and drawing a current of 10 A from 200 V A.C. supply is incorrect?

A. Its secondary current is 5 A B. Its secondary voltage is 400 V C. Its rating is 2 kVA D. Its secondary current is 20 A E. It is a step-up transformer...