The magnetization curve for an iron alloy is approximately given by B H H2 Wb m2 Find (a) r when H 210 A m, (b) The energy stored per unit volume in the alloy as H increases from 0 to 210 A m

Question: The magnetization curve for an iron alloy is approximately given by B = H + H2 Wb/m2. Find: (a) r when H = 210 A/m,

The magnetization curve for an iron alloy is approximately given by B = ⅓ H + H2μ Wb/m2. Find:
(a) μr when H = 210 A/m,
(b) The energy stored per unit volume in the alloy as H increases from 0 to 210 A/m.

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