In a cuboid of dimension 2 L × 2 L × L , a charge q is placed at the centre of the surface S having area of 4 L 2 . The flux through the opposite surface to S is given by

Question

In a cuboid of dimension 2 L &#215; 2 L &#215; L , a charge q is placed at the centre of the surface S having area of 4 L 2 . The flux through the opposite surface to S is given by

Aicharya · Accepted Answer

Assume a similar cuboid on top of the given cuboid to make symmetry about charge. Thus, it becomes a cube of length $2 L$ .

Flux passing through whole cube is $ϕ = \frac{q}{\in_{0}}$ (Gauss's Law).

Since, total faces are $6$ , so flux passing through shaded face $= \frac{q}{6 \in_{0}}$ .

In a cuboid of dimension 2 L × 2 L × L , a charge q is placed at the centre of the surface S…

Solution

In a cuboid of dimension 2 L &#215; 2 L &#215; L , a charge q is placed at the centre of the surface S…

Solution

In a cuboid of dimension 2 L × 2 L × L , a charge q is placed at the centre of the surface S…