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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 contact forms, such as make contacts, break contacts, or combinations thereof
What Is Relay? How Relay Works? - Electronics Hub A Relay is a simple electromechanical switch While we use normal switches to close or open a circuit manually, a Relay is also a switch that connects or disconnects two circuits
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
What is Relay? - GeeksforGeeks What Is A Relay? A simple electromagnetic switch is a relay that can be used to make or break an electrical connection Basically, the relay is just like a mechanical switch, but we can control it with an electromagnetic signal instead of manually turning it on or off
How do relays work? - Explain that Stuff! A relay is an electromagnetic switch operated by a relatively small electric current that can turn on or off a much larger electric current The heart of a relay is an electromagnet (a coil of wire that becomes a temporary magnet when electricity flows through it)
Types of Relays - Their Construction, Operation Applications A switch is a component that opens (turn off) and close (turn on) an electrical circuit whereas, a relay is an electrical switch that control (switch on and off) a high voltage circuit using a low voltage source