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.

These designations spell out the number of contacts and how they behave during operation. For instance, a basic on/off light switch is an example of a single-pole (i.e., one-circuit) single-throw ...

Summary Although many medical professionals shy away from the study of physics and engineering, the importance of a basic understanding of electrical circuits is essential for the daily lives of many ...