# Potential inside sphere with surface charge density

by bcjochim07
Tags: charge, density, inside, potential, sphere, surface
 P: 799 It is not that Gauss law does not give the right answer; it is because you misunderstood something If there is no charge inside the Gaussian surface, Gauss law gives this result: $$\oint _S \vec{E}d\vec{S}=0$$ and that's all. So we need another argument to derive E=0 inside a uniformly charged conducting sphere. What is that argument? When you get this, you will see that the argument cannot apply to this case. Observe the E-field inside the sphere of such charge configuration in page 169, example 4.2 of the book (I use the 3rd edition; maybe the other editions are not of much difference) and you may get the hint