The degree of mechanical vibrations produced by the laminations of a transformer depends on____________?

Related Mcqs:

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

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

Which winding of the transformer has less cross-sectional area?

A. Primary winding B. Secondary winding C. Low voltage winding D. High voltage winding...

Which of the following properties is not necessarily desirable for the material for transformer core ?

A. Low hysteresis loss B. High permeability C. High thermal conductivity D. Adequate mechanical strength...

A Transformer transforms____________?

A. voltage B. current C. current and voltage D. power...