Sorry; this section is video intensive, there is so much to cover and not enough time to cover in class. Please take time to view and take notes over all video's. View the next two video's to give you a good understanding of electricity.
The next two video's will address Coloumb's Law and how it affects electricity.
The next video's will show how gravitational potential energy and electrical potential energy are associated.
The following video's will cover circuits and how electricity flows, and why resistors are needed in the path of electrical currents.
Kirchhoff's Loop Rule and how it involves electricity.