Kevin Nash
Last Activity: 11 Years ago
Sol. B = 1.6 T, H = 1000 A/m
μ = Permeability of material
μ = B/H = 1.6/1000 = 1.6 x 10^-3
μ = μ/ μ base 0 = 1.6x 10^-3 / 4π x 10^-7 = 0.127 x 10^4 ≈ 1.3 x 10^3
μ = μ base 0 (1 + x)
⇒ X = μ/ μ base 0 -1
= μr – 1 = 1.3 × 10^3 – 1 = 1300 – 1 = 1299 ≈ 1.3 × 10^3