Each of these symbols are different electrical parts. We just need to arrange them in to a circuit! First we need power, man – this symbol here is a cell, or battery. That one’s a motor – we ...

Save guides, add subjects and pick up where you left off with your BBC account. A switch used to turn a circuit on (closed) and off (open).

Circuit design is a starting point of electrical engineering. Circuits are like highways that allow electricity to flow through electronic devices. Electrical engineers design circuits that amplify ...