A magnetising  field  fo 1000 A/m produces a magnetics  flux of `2.4 the
Channel: Doubtnut
Date: 24/05/2020

A magnetising  field  fo 1000 A/m produces a magnetics  flux of `2.4 xx10^(-5)` Wb in an iron bar of cross  sectional  area  0.3 `cm^(2)`  what is the magnetic permeability of the iron bar ?