Physics - Magnetism Question with Solution | TestHub

Given: ${\mu }_0=4\pi \times 10^{-7}{\mathrm{Hm}}^{-1}$ Magnetic susceptibility of a material of rod: ${\chi }_{\mathrm{m}}=349$ $\therefore$ absolute permeability of material of rod: $\mu ={\mu }_0\left(1+{\chi }_{\mathrm{m}}\right)$ Or, $\mu =4\pi \times 10^{-7}(1+349)=43982.3\times 10^{-4}{\mathrm{Hm}}^{-1}\approx 4400\times 10^{-7}{\mathrm{Hm}}^{-1}$