The no load current in a transformer lags behind the applied voltage by an angle of about_____________?

Related Mcqs:

No-load current in a transformer________________?

A. lags behind the voltage by about 75° B. leads the voltage by about 75° C. lags behind the voltage by about 15° D. leads the voltage by about 15°...

A common method of cooling a power transformer is_______________?

A. natural air cooling B. air blast cooling C. oil cooling D. any of the above...

The chemical used in breather for transformer should have the quality of____________?

A. ionizing air B. absorbing moisture C. cleansing the transformer oil D. cooling the transformer oil...

Which of the following is not a routine test on transformers ?

A. Core insulation voltage test B. Impedance test C. Radio interference test D. Polarity test...

In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of_________________?

A. less than 15 A B. more than 15 A C. 15 A D. none of the above...