An iron rod of susceptibility 599 is subjected to a magnetizing field of 1200 A m−1. The permeability of the material of the rod is :
(µ0 = 4π × 10−7 TmA−1)
1
2.4π × 10−5 TmA−1
2
2.4π × 10−7 TmA−1
3
2.4π × 10−4 TmA−1
4
8.0 × 10−5 TmA−1
An iron rod of susceptibility 599 is subjected to a magnetizing field of 1200 A m−1. The permeability of the material of the rod is :
(µ0 = 4π × 10−7 TmA−1)