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The maxiumu value of the permeability of...

The maxiumu value of the permeability of `mu metal` (77% Ni, 16% Fe, 5% Cu, 2% Cr) is `0.128 Tm A^(-1)`. Find the maxiumu relative permeability and susceptibiliyt.

Text Solution

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Relative permeability is
`mu_r = mu/mu_0 = (0.126 Tm A^(-1))/(4pi xx 10^(-7) Tm A^(-1)`
`1.00 xx 10^5`.
Susceptibility `chi = mu_r - 1 = 1.00 xx 10^5`.
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