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.


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