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1. |
For a single phase, two winding transformer, the supply frequency and voltage are both increased by 10%. The percentage changes in the hysteresis loss and eddy current loss, respectively, are |
A. | 10 and 21 |
B. | -10 and 21 |
C. | 21 and 10 |
D. | -21 and 10 |
Answer» B. -10 and 21 | |