1.

A short-circuit test transformed on high-voltage side of 20 kVA, 2000/400 V, single-phase transformer gave the results as 60 V, 4 A, 100 W. If the lo-voltage side is delivering full-load current at 0.8 p.f. lag, at 400 V, the voltage applied to the high-voltage side is nearly

A. 2190 V
B. 2170 V
C. 2150 V
D. 2132 V
Answer» E.


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