MadSci Network: Physics

Re: How do I determine what the electric flux through a sphere is?

Date: Mon Feb 7 03:35:30 2000
Posted By: Yaxun Liu, Grad student, Electrical Engineering, National University of Singapore
Area of science: Physics
ID: 949878468.Ph

According to Gauss' Law, in homogeneous medium the flux of electric field
through a closed surface is equal to the electric charge contained in the 
surface divided by the permittivity.

Therefore, if a sphere contains a point charge q, the flux of electric 
field through the sphere is q/epsilon. If the sphere does not contain
charge, the flux is zero.

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