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A 500 kVA transformer has constant loss of 500 W and copper losses at full load are 2,000W. Then at what load, is the efficiency maximum? | |
A. | 250 kVA [Correct Answer] |
B. | 500 kVA [Wrong Answer] |
C. | 1000 kVA [Wrong Answer] |
D. | 125 kVA [Wrong Answer] |