Northwestern Physics Demos                                 Go back to ELECTROSTATICS   
DCS# 5B20.00NWU#  D-18Location:    10 A 4
title: Gausian Surface

Amber plastic represents a charged plate.  The rods represent the electric field lines from these charges.  The cylinder is a gausian surface with no field through the sides, but field through the ends.
pix of set up