Electrical control systems can be split into an input ... These allow the current to travel around the circuit. Simple circuit diagrams like this are used to create and test a circuit before ...

For example, the lights in most houses and flats are part of a circuit controlled by the ... and represent them with some simple diagrams, using basic electrical components like these.

Active components rely on an external power source to control or modify electrical signals ... require the current traveling through the connected circuit. They either consume or store energy. A ...

Electric circuits are the foundation of many devices and gadgets that we use every day, from smartphones to laptops to LED lights. But how do they work, and how can we teach kids the basics of ...