Question

A cube has sides of length L = 0.2 m. It is placed with one corner at the origin as shown in figure.The electric field is uniform and given by $\overrightarrow{E}=\left(2.5N/C\right)\dot{I}-\left(4.2N/C\right)\dot{J}$. Find the electric flux through the entire cube.

Answer 1

For a cube, the leaving and entering flux through two opposite surfaces (like front and back) are same and opposite.

So the net flux through the entire cube will be zero.