All the examples above are actually force field stored energy (sometimes in disguise). For example in elastic potential energy, stretching an elastic material forces the atoms very slightly further apart. The equilibrium between electromagnetic forces and Pauli repulsion of electrons (they are fermions obeying Fermi statistics) is slightly violated resulting in a small returning force. Scientists rarely discuss forces on an atomic scale
For a continuous charge distribution, V = Integral ( k dq / r),
where the integral is over the charge distribution, and r is the distance from dq to the point where V is to be
In the lecture, examples are given, which show how to find the
electric potential produced by a charged ring, a charged disk, and a finite line of charge.
Electric Potential, Part 3
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.