Transformer breaths in when_______________?

Related Mcqs:

The path of a magnetic flux in a transformer should have______________?

A. high resistance B. high reluctance C. low resistance D. low reluctance...

Helical coils can be used on___________?

A. low voltage side of high kVA transformers B. high frequency transformers C. high voltage side of small capacity transformers D. high voltage side of high kVA rating transformers...

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

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

A no-load test is performed on a transformer to determine_______________?

A. core loss B. copper loss C. efficiency D. magnetising current E. magnetising current and loss...

In a power or distribution transformer about 10 per cent end turns are heavily insulated__________?

A. to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns B. to absorb the line surge voltage and save the winding of transformer from damage C. to reflect the line surge and save the winding of a transformer from damage D. none of the above...