ElectroMagnetic InductionHard
Question
The hysteresis loss per cycle per unit volume for soft iron is 103 joule. The density of iron is 7.5 gm/cm2 and its specific heat is 100 cal/kg-oC. If a specimen of soft iron is subjected to an alternating magnetic field of frequency 50 Hz, then rise per minute in its temperature will be :-
Options
A.3.95oC
B.2.95oC
C.1.95oC
D.0.95oC
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