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Write the relation between relative perm...

Write the relation between relative permeability and susceptibility.

Text Solution

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`mu_r=1+chi_m`.
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Knowledge Check

  • On placing a piece of ferromagnetic material of cross-sectional area 1cm^(2) in magnetic field of 200 oersted, flux density of 3000 Gauss is produced in it. The values of relative permeability and magnetic susceptibility of the material will respectively be -

    A
    11.9 and 150
    B
    150 and 11.9
    C
    50 and 11.9
    D
    15 and 14

  • If mu_r represents relative permeability and x magnetic susceptibility of a material then for a paramagnetic substance

    A
    `mu_r lt 1 , x lt 0`
    B
    `mu_r lt 1 , x gt 0`
    C
    `mu_r gt 1 , x lt 0`
    D
    `mu_r gt 1 , x gt 0`

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    What is the relation between relative magnetic permeability and magnetic susceptibility?

    The maximum value of permeability of mu -metal (77% Ni, 16% Fe, 5% Cu, 2% Cr) is 0*126T-m//A . Find the maximum relative permeability and susceptibility.

    What is the relative permeability of air ?

    The magnetic field B and the magnetic intensity H in a material are found to be 1*6T and 1000Am^-1 , respectively. Calculate the relative permeability mu_r and susceptibility of the material. What is the nature of the material?

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