The mass of a specimen of a ferromagnetic material is 0.6 kg and the density is 7.8×103kgm - 3 . If the area of the hysteresis loop of the alternating magnetizing field of frequency 50 Hz is 0.722 MKS units, then hysteresis loss per second will be
27.77×10−5J
2.777×10−5J
27.77×10−4J
27.77×10−6J
A
2.777×10−5J
B
27.77×10−6J
C
27.77×10−5J
D
27.77×10−4J
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