The efficiency of a 100 kVA transformer at upf is 98% at full as well as half load. The maximum efficiency is obtained at a load of

The efficiency of a 100 kVA transformer at upf is 98% at full as well

1.	The efficiency of a 100 kVA transformer at upf is 98% at full as well as half load. The maximum efficiency is obtained at a load of
A.	70.7 kVA
B.	50 kVA
C.	90.6 kVA
D.	82.5 kVA
Answer» B. 50 kVA