Question

The magnetic susceptibility of a magnetic material is $3\times {10}^{-4}$ . Its relative permeability will be

• A. $31\times {10}^{-4}$
• B. $1.003$
• C. $1.0003$
• D. $29\times {10}^{-4}$

Answer 1

Answer: (C)

$1.0003$

$\chi =3\times {10}^{-4}$
${\mu }_r=1+\chi$
${\mu }_r=1.0003$