In a given transformer for a given applied voltage, losses which remain constant irrespective of load changes are__________?

Related Mcqs:

Primary winding of a transformer________________?

A. is always a low voltage winding B. is always a high voltage winding C. could either be a low voltage or high voltage winding D. none of the above...

What will happen if the transformers working in parallel are not connected with regard to polarity ?

A. The power factor of the two trans-formers will be different from the power factor of common load B. Incorrect polarity will result in dead short circuit C. The transformers will not share load in proportion to their kVA ratings D. none of the above...

Harmonics in transformer result in___________?

A. increased core losses B. increased I2R losses C. magnetic interference with communication circuits D. all of the above...

Short circuit test on transformers is conducted to determine____________?

A. hysteresis losses B. copper losses C. core losses D. eddy current losses...

The efficiencies of transformers compared with that of electric motors of the same power are____________?

A. about the same B. much smaller C. much higher D. somewhat smaller E. none of the above...