A circuit is a closed loop containing various components. Electrical current flows around the circuit. Scientists use symbols to represent the different components in a circuit. Symbols are simplified ...

Inside nearly every electronic device is a simple coil of wire doing a powerful job—it’s called an inductor. Though small and ...

Designers can make useful products that include electrical components close electrical componentA device in an electric circuit, such as a battery, switch or lamp.. They allow a product to have lights ...

Electricity doesn’t just flow freely in every direction—it needs control. That control comes from a tiny but powerful ...

Most people have a phone charger plugged in next to their bed, which they never bother to switch off at the wall - but is that risky to do?