A 500 KVA transformer has constant losses of 500 W and copper loss at – McqOptions

MCQOPTIONS

1.	A 500 KVA transformer has constant losses of 500 W and copper loss at full load are 2000 W. Then at what load, is the efficiency maximum?
A.	250 KVA
B.	500 KVA
C.	1000 KVA
D.	125 KVA
Answer» B. 500 KVA

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