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The magnetic susceptibility of a material of a rod is 499. Permeability of vacuum is $4p × 10^{-7} H/m$. Absolute permeability of the material of the rod in henry/meter is |
$p×10^{-4}$ $4p × 10^{-4}$ $3p × 10^{-4}$ $2p × 10^{-4}$ |
$2p × 10^{-4}$ |
$ \mu = \mu_0 \mu_r = \mu_0 (1 + \chi) = 4\pi \times 10^{-7} \times 500 = 2\times 10^{-4}$ |
