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1. |
The area of the hysteresis loop of a given magnetic material is 50 cm2 with the two axs scaled with the two axs scaled as 1 cm = 20 AT and 1 cm = 50 mWb. For 50 Hz frequency, the total hysteresis loss is _______ kW . |
A. | 2.5 kW |
B. | 25 kW |
C. | 5 kW |
D. | 0.25 kW |
Answer» B. 25 kW | |