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A transformer is working at its full load and its efficiency is also maximum. Its iron loss is 1 kW, its copper loss at half load will be | |
A. | 0.1 kW [Wrong Answer] |
B. | 0.2 kW [Wrong Answer] |
C. | 0.25 kW [Correct Answer] |
D. | 0.5 kW [Wrong Answer] |