Question

The total flux through faces of the cube with side of length a if a charge q is placed at corner A of the cube is

• A. $\frac{q}{8\varepsilon_{0}}$
• B. $\frac{q}{4\varepsilon_{0}}$
• C. $\frac{q}{2\varepsilon_{0}}$
• D. $\frac{q}{\varepsilon_{0}}$

Answer 1

Answer: (A)

$\frac{q}{8\varepsilon_{0}}$

Answer 2

: In the figure, when a charge q is placed at corner A of the cube, it is being shared equally by 8 cubes.

$\therefore$The total flux through the faces of the given cube

$= \frac{q}{8\varepsilon_{0}}$