A 2 kVA transformer has iron loss of 150 W and full load copper loss o – McqOptions

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1.	A 2 kVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer will occur when the total loss is:
A.	500 W
B.	400 W
C.	300 W
D.	275 W
Answer» D. 275 W

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