Flux coming out from a positive charge of $8 \mathrm{C}$, placed in a medium of dielectric constant 4 is

Flux coming out from a positive charge of $8 \mathrm{C}$, placed in a medium of dielectric constant 4 is
  1. $\frac{1}{2 \varepsilon_0}$
  2. $\frac{2}{\varepsilon_0}$
  3. $8 \varepsilon_0$
  4. $32 \varepsilon_0$

Solution

Charge enclosed, $q=8 \mathrm{C}$ Electric flux, $\phi=\frac{q}{\varepsilon_m}$ $ \varepsilon_m=K \varepsilon_0 $ Dielectric constant, $K=4$ $ \phi=\frac{8}{4 \varepsilon_0} \Rightarrow \phi=\frac{2}{\varepsilon_0} $

Asked in: AP EAMCET 2018 (24 Apr Shift 1)

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