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.
More ElectroMagnetic Induction Questions
A metallic rod of length ′l′ is tied to a string of length 2l and made to rotate with angular speed ω ...Which quantity is increased in step down transformer:-...Two identical circular coils A and B are placed parallel to each other with their centers on the same axis. The coil B c...The electric power is transferred to a far distance at high potential because:-...The direction of induced current is such that it opposes the every cause that has produced it. This law is :-...