Equipotential surfaces - - Pictures

[pat666]

Homework Statement

Sketch the equipotential surfaces which result from the following charge configurations:
(a) a point charge
(b) a spherically symmetric charge distribution
(c) a very large, plane, uniformly-charged sheet
(d) a long, uniformly-charged cylinder
(e) an electric dipole.

I pretty much know what most of these look like - I was wondering if anyone knows any good websites to get pictures of them from??

Homework Equations

The Attempt at a Solution

 

[kuruman]

Try this.

http://www.falstad.com/vector3de/