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The magnetic susceptibility of a rod is ...

The magnetic susceptibility of a rod is `499`. The absolute permeability of vacuum is `4pixx10^(-7)H//m`. The absolute permeability of the material of the rod is

A

`pi xx 10^(-4)H//m`

B

`2pi xx 10^(-4)H//m`

C

`3pi xx 10^(-4) H//m`

D

`4pi xx 10^(-4) H//m`

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