A one-phase, 50 Hz, 40 kVA transformer with a ratio of 2000 V/250 V ha – McqOptions

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1.	A one-phase, 50 Hz, 40 kVA transformer with a ratio of 2000 V/250 V has a primary resistance of 1.15 Ω and a secondary resistance of 0.0155 Ω. Calculate total copper loss on half of the full load.
A.	856.8 W
B.	214.2 W
C.	642.6 W
D.	428.4 W
Answer» C. 642.6 W

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