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1. |
A transformer has a core loss of 140 W at 40 Hz, and 99 W at 30 Hz. The hysteresis and eddy-current losses at 50 Hz, respectively, are |
A. | 110 W and 30 W |
B. | 135 W and 30 W |
C. | 110 W and 50 W |
D. | 135 W and 50 W |
Answer» E. | |