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 unit, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. To the uninitiated, electricity might seem like a sort of hidden ...

The difference between static discharge and continuous current is explained. Introduction to Electric Current: The difference between static discharge and continuous current is explained. Sources of ...

Save guides, add subjects and pick up where you left off with your BBC account. For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights ...