A point charge $q$ is placed at a distance $a/2$ directly above the centre of a square of side $a$. The electric flux through the square is
A point charge $q$ is placed at a distance $a/2$ directly above the centre of a square of side $a$. The electric flux through the square is
- A
$\frac{q}{{{\varepsilon _0}}}$
- B
$\frac{q}{{\pi {\varepsilon _0}}}$
- C
$\frac{q}{{4{\varepsilon _0}}}$
- D
$\frac{q}{{6{\varepsilon _0}}}$
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