A material core has 10 turns per cm of wire wound uniformly upon it which carries a current of 2.0 A. The flux density in the material is 1.0 `WB m^(-2)` . Find the magnetising field intensity and magnetisation of the material. What is the relative permeability of the core ?

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Correct Answer - 2000 turns `m^(-1) , 7.9 xx 10^(5) "A turns" m^(-1), 397`

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