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

Related Mcqs:

In a transformer the energy is conveyed from primary to secondary_________?

A. through cooling coil B. through air C. by the flux D. none of the above...

Efficiency of a power transformer is of the order of________________?

A. 100 per cent B. 98 per cent C. 50 per cent D. 25 per cent...

The core used in high frequency transformer is usually___________?

A. copper core B. cost iron core C. air core D. mild steel core...

Buchholz’s relay gives warning and protection against_________________?

A. electrical fault inside the transformer itself B. electrical fault outside the transformer in outgoing feeder C. for both outside and inside faults D. none of the above...

If a transformer is switched on to a voltage more than the rated voltage______________?

A. its power factor will deteriorate B. its power factor will increase C. its power factor will remain unaffected D. its power factor will be zero...