All Problems

Constant Magnetic Field, Magnetics

Problem 3.283

Fig. 3.76 illustrates a basic magnetization curve of iron (commercial purity grade). Using this plot, draw the permeability μ\mu as a function of the magnetic field strength H.H . At what value of HH is the permeability the greatest? What is μmax⁡\mu_{\max } equal to?

Reveal Answer
H=0.06kA/m,μmax⁡≈1.0⋅104H=0.06 \mathrm{kA} / \mathrm{m}, \mu_{\max } \approx 1.0 \cdot 10^{4}
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