# Gaussian cylinder

1. Jun 17, 2011

### Idividebyzero

1. Consider a uniformly charged conducting
plate with an infinite extent, where the sur-
face charge density is surf . We introduce a
Gaussian surface as a cylindrical pillbox of ra-
dius a, half-way submerged into the surface.
The figure below shows a chunk of the infinite
plate and the pillbox configuration.

2. integral E * dA

2. Jun 17, 2011