Most modern electronic devices consist of several key components: transistors, capacitors, resistors, inductors and diodes. Often, they are supplemented by additional components like crystals and ...

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 two reasons, I wanted to write a piece on basic electrical theory. One is that everyone understands what a battery does but oftentimes becomes confused about the components connected to the ...