An electric current is a flow of charge, and in a wire this will be a flow of electrons. We need two things for an electric current to flow: The simplest complete circuit is a piece of wire from one ...

To make something work using electricity there needs to be an electrical circuit; a circuit is a complete loop that electricity can move around. Electricity moves from the power source (the battery or ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...