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

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Solution

. Permiability (μ) = μ0(1 + x) Given susceptibility = 5500 μ = 4 × pi *10^–7 (1 + 5500) = 4 × 3.14 × 10^–7 × 5501 =6909.56 × 10^–3 ≈ 6.9 × 10^–3

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