If $\varepsilon_0$ and $\varepsilon$ represent the permittivity of free space and absolute permittivity of a…
If $\varepsilon_0$ and $\varepsilon$ represent the permittivity of free space and absolute permittivity of a medium then the relative permittivity of the medium is
$\frac{\varepsilon^2}{\varepsilon_0}$
$\frac{\varepsilon_0}{\varepsilon}$
$\varepsilon \varepsilon_0$
$\frac{\varepsilon}{\varepsilon_0}$
Solution
The absolute permittivity of the medium is defined as, $\varepsilon=\varepsilon_r \varepsilon_0$
The relative permittivity of the medium can be written as:
$\varepsilon_r=\frac{\varepsilon}{\varepsilon_0}$