Question

An iron rod of susceptibility 599 is subjected to a magnetising field of 1200 A m^-1. The permeability of the material of the rod is :

(μ₀ = 4π × 10^-7 T m A^-1)

(1) 2.4π × 10^-4  T m A^{​​​​​​-1}

(2) 8.0 × 10^-5 T m A^{​​​​​​-1}

(3) 2.4π × 10^-5 T m A^{​​​​​​-1}

(4) 2.4π × 10^-7 T m A^{​​​​​​-1}