The relation between absolute permeability, μ and relative permeability μr of a material is given by:
(Given μo is absolute permeability of air)
1
\(\rm \mu_0=\frac{\mu_r}{\mu}\)
2
\(\rm \mu_r=\frac{\mu}{\mu_0}\)
3
\(\rm \mu=\frac{\mu_0}{\mu_r}\)
4
μ = μr