# Magnetic susceptibility and relative permeability

**1. The problem statement, all variables and given/known data**

find the derivation of

χm=μr-1

where Xm is the magnetic susceptibility and μ is the relative permeability.

**2. Relevant equations**

M=Xm.H

M is the magnetization,H is the magnetic field

μr=μ/μo

where μo is the permeability of a vacuum,

**3. The attempt at a solution**

I don’t know how to start ,I know some equations related to magnetic properties but i cannot connect them to each other to find the derivation.

http://ift.tt/1jmc2g1

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