Relay - Wikipedia
A relay is an electrically operated switch. It has a set of input terminals for one or more control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple …
How Electrical Relays Work - Circuit Basics
A relay is an electromagnetic switch that opens and closes circuits electromechanically or electronically. A relatively small electric current that can turn on or off a much larger electric current operates a relay.
How a Relay Works and How to Use It in Circuits
Mar 8, 2024 · Learn how a relay works and how you can use it to turn on/off high-power devices with tiny signals. Includes practical circuit examples.
How Relays Work - HowStuffWorks
May 17, 2024 · Powered by electromagnets, a relay is simply a mechanical switch, and you'll find them all over a typical house or car. Find out what these simple components are doing in all your electrical …
France scores men's 4x7.5km relay gold in biathlon showdown
1 day ago · Team France won its first-ever Olympic gold in the men's 4x7.5km biathlon relay after flipping the lead from juggernaut Norway on Tuesday, Feb. 17, at Milan Cortina 2026.
How Does a Relay Work? A Complete Guide - Microchip USA
Aug 22, 2025 · A relay is an electromechanical or solid-state device that uses a small input signal to switch a larger load current. In simple terms, it works like a remote-controlled switch.
What is a relay, its function, types and relay wiring
A relay is an electrical switch that can be activated by a low-power signal. Learn more about what is a relay and their many applications here!