An iron rod of cross section 1 cm is placed in
magnetic field of 200 orested. It proudces a
magnetic field of 3000 G. Find magnetic
permeability and magnetic suceptibility of the
material.
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Answer:
Given : Cross-sectional area A=1cm
2
Magnetising field H=200 oersted
Produced magnetic field B=3000G
Permeability μ=
H
B
=
200
3000
=15
and μ=(1+X
m
)
15=(1+X
m
)
Magnetic susceptibility X
m
=15−1=14
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