The primary reason why an open-circuit test is performed on the low-vo – McqOptions

MCQOPTIONS

1.	The primary reason why an open-circuit test is performed on the low-voltage winding of a transformer is that it:
A.	draws sufficiently large on-load current for convenient reading
B.	involves less core loss
C.	needs minimum power input
D.	requires least voltage to perform the test
Answer» B. involves less core loss

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