

MCQOPTIONS
Saved Bookmarks
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. | |