tushar kanti maji


{ City } kolkata
< Country > india
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Questions / { tushar kanti maji }
Questions Answers Category Views Company eMail

Which loss in DC machine is maximum?

IFFCO,

1 Electrical Engineering 3352

Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

IFFCO,

1 Electrical Engineering 3923

If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

National Insurance Company Limited,

Electrical Engineering 1630



Answers / { tushar kanti maji }

Question { 6624 }

why transformer are not used in D.C SUPPLY


Answer

In DC supply transformer may burn as there is no changing of
flux.

Is This Answer Correct ?    0 Yes 3 No