# Math Help - cube

1. ## cube

a cubical surface encloses a charge of 8.85*10^-8 C calculate the electric flux through one face of the cube

2. Originally Posted by prasum
a cubical surface encloses a charge of 8.85*10^-8 C calculate the electric flux through one face of the cube
I'm presuming that the charge is at the center of the cube. (It has to be in there somewhere.) Note that the problem is symmetric over the whole of the cube. So what is the flux through all the surfaces? Then divide that by 6.

-Dan