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Question

Permeability of a material is 0.872. This material is then


  1. ferro magnetic
  2. paramagnetic
  3. electromagnetic
  4. diamagnetic

A
electromagnetic
B
ferro magnetic
C
paramagnetic
D
diamagnetic
Solution
Verified by Toppr

Diamagnetic Paramagnetic Ferromagnetic
1χ<0 0<χ<ε χ>>1
0μ<1 1<μ<1+ε μ>>1
μ<μ0μ>μ0μ>>μ0
χ = Magnetic susceptibility
μr = permeability
ε small, positure and less than one.

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