Description of capacitors including electric field and capacitors in series and parallel.
All About Circuits

In this video, Salman Khan of Khan Academy explains magnetism and magnetic fields due to current. Part 6 of 12.
Khan Academy

Java applet that shows the electric fields, equipotentials, and steady currents.
Math, Physics, and Engineering Applets

A list of equations and constants for AP Physics B and C exams, organized by subject.
PhysicsLAB

Interactive Java applet giving a graphical representation of electric fields and the interaction bewteen charges.
Falstad


Need to study for Physics? Here are some questions to help you out!!!
StudyStack

Carefully sketch the electric field lines due to a thin straight rod of length L with a charge +Q distributed uniformly along it.
Tutor.com

Mechanics and electricity and magnetism problems. A nice selection of practice problems with complete worked out solutions with explanations of each step.
Fear of Physics: Physics Explained Finally

Explanation of Gauss's Law and examples.
Hyperphysics
