ElectroMagnetic InductionHard
Question
The mass of a specimen of a ferromagnetic material is 0.6 kg. and its density is 7.8 × 103 kg/m3. If the area of hysteresis loop of alternating magnetising field of frequency 50Hz is 0.722 MKS units then the hysteresis loss per second will be :-
Options
A.277.7 × 10-5 J/sec.
B.277.7 × 10-6 J/sec.
C.277.7 × 10-4 J/sec.
D.277.7 × 10-3 J/sec.
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