SSC JE Electrical Engineering 23 Jan 2018 Evening Paper

A diamagnetic material has a constant relative permeability slightly less then 1.
Diamagnetic materials are repelled by a magnetic field.
${\mathit{\mu }}_{\mathit{r}}={\mathit{x}}_{\mathit{e}-1}$
${\mathit{x}}_{\mathit{e}}$ = magnetic susceptibility

Magnetic susceptibility is less than 1.