Equipotential Lines
An isolated point charge Q with its electric field lines (blue) and equipotential lines (green)
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Equipotential Lines. January 4, 2013."
http://cnx.org/content/m42331/latest/
OpenStax CNX
CC BY 3.0.