Answer to Question #219715 in Electricity and Magnetism for Ishu

Question

An Infinite solenoid with n turns per unit length and current I, filled with
a linear material of susceptibility

Answer 1

$B=\mu_0\mu_m\frac NlI,$

$\mu_m=1+\chi_m,$

$\frac Nl=n,$

$B=\mu_0(1+\chi_m)nI.$