For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer ...

Circuit breakers are a safety feature that automatically interrupts the flow of electricity in the face of a system fault or ...

See how the land and water are connected, and investigate electrical circuits.

Which way does electricity flow through a vehicle’s electrical system? From positive to negative, or from negative to positive? Depending on your viewpoint, it can flow either way. When most ...