Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these
1 Electrical Engineering 4116If 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?
Electrical Engineering 1771
Question { 7095 }
why transformer are not used in D.C SUPPLY
Answer
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