Magnet wire is a thin, solid-core conductor that has a clear coating of enamel. This enamel acts as an electrical insulator. The usual way to strip away the enamel and reveal the shiny copper ...
A plug connects a device to the mains electricity supply. The cable between the device and the three-pin plug contains three copper wires that are coated with plastic. Neutral wire Copper wire ...
The ring in the middle has a circle of magnets around its edge. When this spins, electricity flows through the coils of copper wire that surround it. (Mike Hudson / Alamy Stock Photo) In power ...