Relative permittivity and permeability of a material are $\varepsilon_{\mathrm{r}}$ and $\mu_{\mathrm{r}}$,…

Relative permittivity and permeability of a material are $\varepsilon_{\mathrm{r}}$ and $\mu_{\mathrm{r}}$, respectively. Which of the following values of these quantities are allowed for a diamagnetic material?
  1. $\varepsilon_{\mathrm{r}}=0.5, \mu_{\mathrm{r}}=1.5$
  2. $\varepsilon_{\mathrm{r}}=1.5, \mu_{\mathrm{r}}=0.5$
  3. $\varepsilon_r=0.5, \mu_r=0.5$
  4. $\varepsilon_{\mathrm{r}}=1.5, \mu_{\mathrm{r}}=1.5$

Solution

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Asked in: JEE Main 2008

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