First slide
Magnetic properties of matter
Question

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 

Moderate
Solution

 n=5000 turn/m
I=1A;μr=500 
Magnetic susceptibility  'χ'
Magnetic intensity = H
H=nI=5000×1=5000A.m1 
And  χ=μr1
Magnetization  M=χ.H
 M=μr1H
 M=4995000
M=2.5×106Am1 . 

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