For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Resistors are small but essential components that manage how electricity moves through a circuit. This video explains how ...

Just what happens behind your walls when you flip a light switch? Or when you turn on the television or your computer? Electricity, wiring and circuitry power everything we do, and knowing how these ...

A diode is a tiny component that controls the flow of electricity by allowing current to pass in only one direction. This video explains how diodes work, what makes them unique, and why they’re used ...

Ask a four-year-old how an electrical circuit works, and you’ll get a blank stare in return. Ask a four-year-old how to make the eyes on her monsters light up, and they’ll happily plug an LED into a ...

The technological world of the 21st century owes a tremendous amount to advances in electrical engineering, specifically, the ability to finely control the flow of electrical charges using ...

Which way does electricity flow through a vehicle’s electrical system? From positive to negative, or from negative to positive? Depending on your viewpoint, it can flow either way. When most people ...