When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around ...

Electrical current flows around the circuit. Scientists use symbols to represent the different components in a circuit. Symbols are simplified drawings. We use symbols because they are easier to ...

The film explains how electric current is generated at power plants and delivered to homes through wires. It describes the concept of electric circuits, including closed and open circuits ...

Spoiler alert: it’s a lot. Speaking of staying safe with mains current, we’ve covered a little bit about how circuit protection works before. If you need a deeper dive into circuit breakers ...