They inject power into a circuit and are capable of electrically controlling and amplifying the flow of electrical current, whereas passive components cannot. Passive components don’t need an external ...

Basic Electrical Systems - Electrified! Gaining Power & Avoiding Electrical Woes. Jay Kopycinski Writer Feb 01, 2011. See All 15 Photos. There we were, strapped in and ready to hit the dirt.

When it comes to electrical circuits, there’s a lot to remember and understand. We've got you covered with this Intro to Circuits BBC Bitesize guide.

Electrical engineering is the branch of engineering that deals with the technology of electricity, including circuitry, power generation, machine control and communications.