In a medium of dielectric constant $K$, the electric field is $\vec E$ . If ${ \varepsilon _0}$ is permittivity of the free space, the electric displacement vector is
  • A$\frac{{K\vec E}}{{{ \in _0}}}$
  • B$\frac{{\vec E}}{{K\,{ \in _0}}}$
  • C$\frac{{{ \in _0}\,\vec E}}{K}$
  • D$K\,{ \in _0}\,\vec E$
AIIMS 2014, Medium
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