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JEE PHYSICS MCQ: MAGNETISM AND MATTER

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The relation connecting magnetic susceptibility

\chi_{\mathrm{m}}

and relative permeability

\mu_{\mathrm{r}}

is

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Correct option: B

\chi_{\mathrm{m}}=\mu_{\mathrm{r}}-1

Option B (

\chi_{\mathrm{m}}=\mu_{\mathrm{r}}-1

) is correct because the relationship between magnetic susceptibility and relative permeability is given by

\mu_r = 1 + \chi_m

, which rearranges to

\chi_m = \mu_r - 1

.

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\mu_{\mathrm{d}}, \mu_{\mathrm{p}}

\mu_{\mathrm{f}}

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