Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

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, ...

Electrical components, like motors close motorA device which spins when current flows through it. Motors are used in fans, food processors and many other devices. and lamps close lampA component which ...

Flow of electric charge is known as electric current and in electric circuits the charge is carried by moving electrons in a wire. In this article you will get 10 solved Physics practice questions ...

Electrical circuits and systems lie at the very heart of modern technology, underpinning applications that range from power supply units and embedded systems to high‐speed communication networks and ...

Download this article in PDF format. It’s now common to see circuit boards that carry hundreds of amps, especially in intensive data-processing applications, electric vehicles, and ac distribution.