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An iron rod of area of cross-section 0.1...

An iron rod of area of cross-section `0.1 m^2` is subjected to a magnetising field of 1000 A/m. Calculate the magnetic permeability of the iron rod. [Magnetic susceptibility of iron = 59.9, magnetic permeability of vacuum = `4pi xx 10^-7` S.I.units]

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