Engineering
Physics
I vs H Curve for Different Materials
Question

The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, coercivity and saturation, respectively, of the material are :

150 A/m, 1.0 T and 1.5 T

1.5 T, 50 A/m and 1.0 T

1.0 T, 50 A/m and 1.5 T

1.5T, 50 A/m and 1.0 T

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Solution

x = retentivity

y = coercivity

z = saturation magnetization