Questions
A solenoid has case of a material with relative permeability 500 and its winding carry a current of 1A. The number of turns of the solenoid is 5000 per meter. The magnetization of the material is nearly
detailed solution
Correct option is B
n=5000 turn/mI=1A; μr=500 Magnetic susceptibility 'χ'Magnetic intensity = HH=nI=5000×1=5000 A.m−1 And χ=μr−1Magnetization M=χ.H M=μr−1H M=4995000M=2.5×106Am−1 .Talk to our academic expert!
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A cylindrical bar magnet ( radius = 1 cm , length = 10 cm ) has field intensity of 1000 A/m . The magnetic moment in the bar if permeability of its material is is ----------
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