The value of flux involved m the e.m.f. equation of a transformer is____________?

Related Mcqs:

In a transformer routine efficiency depends upon_____________?

A. supply frequency B. load current C. power factor of load D. both B. and (c)...

The function of conservator in a transformer is___________________?

A. to project against’internal fault B. to reduce copper as well as core losses C. to cool the transformer oil D. to take care of the expansion and contraction of transformer oil due to variation of temperature of sur-roundings...

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...

Iron loss of a transformer can be measured by____________?

A. low power factor wattmeter B. unity power factor wattmeter C. frequency meter D. any type of wattmeter...

For given applied voltage, with the increase in frequency of the applied voltage?

A. eddy current loss will decrease B. eddy current loss will increase C. eddy current loss will remain unchanged D. none of the above...