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The susceptibility of annealed iron at s...

The susceptibility of annealed iron at saturation is 5500. Find the permeability of annealed iron at saturation.

Text Solution

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Permeability (mu) =(mu_0)(1+x)`
`given `
`mu = 4 pi xx10^(-7)(1+5500)`
`=4xx3.14xx10^(-7)xx5501`
`=69095.6xx10^(-7)`
`=6.9xx10^(-3)`.
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