Listen to the full series on BBC Sounds. Charge is a property of a body which experiences a force in an electric field. Charge is measured in coulombs (C). Since electrons are so small and one ...

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 ...

The film explains the measurement of electric current using ammeters, which quantify the flow of elementary charges in a circuit. It introduces the concept of amperes as a measure of the number of ...