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STD 12 - 5. Magnetism and matter — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 5. Magnetism and matter4 Marks
MCQ
The basic magnetization curve for a ferromagnetic material is shown in figure. Then, the value of relative permeability is highest for the point
  • A
    $P$
  • ✓
    $Q$
  • C
    $R$
  • D
    $S$
✓

Answer

Correct option: B.
$Q$
b
(b)$B = {\mu _0}{\mu _r}H \Rightarrow {\mu _r} \propto \frac{B}{H}$= slope of $B- H $ curve
According to the given graph, slope of the graph is highest point $Q.$

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