A charge Q is positioned at the center of a sphere of radius R. The flux of the electric field through the sphere is equal to Φ. If the charge Q is now placed at the center of a cube the flux of the electric field through the surface of the cube is equal to

Question

Quizplus · Accepted Answer

According to Gauss's law, the electric flux through a closed surface depends only on the charge enclosed, not on the shape of the surface. Therefore, the flux through the cube is the same as through the sphere, which is Φ.

A Charge Q Is Positioned at the Center of a Sphere