The efficiency of a transformer can be calculated accurately from ___ – McqOptions

MCQOPTIONS

1.	The efficiency of a transformer can be calculated accurately from ___________
A.	Open circuit test, Short circuit test
B.	Open circuit test, Short circuit test, Sumpner’s test
C.	Sumpner’s test
D.	load test
Answer» B. Open circuit test, Short circuit test, Sumpner’s test

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