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A relay is a electro-mechanical switch. It uses electro-magnetism generated from a small voltage/current (for normal circuits its typically around 5V/6V/12V, 200mA) to switch larger voltages/currents (around, 110V/220V,16A) for household appliances.
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A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal. The first relays were used in long distance telegraph circuits as amplifiers: they repeated the signal coming in from one circuit and re-transmitted it on another circuit. Relays were used extensively in telephone exchanges and early computers to perform logical operations.
What else can I help you with?
How many types of relays?
relays are two type 1. Electromagnetic attraction relays. 2. Electromagnetic induction relays.
Where are the relays on a citreon xsara?
looking for relays in citreon xzara
Are relays unidirectional or bidirectional devices?
Relays are bidirectional devices.
When was Kansas Relays created?
Kansas Relays was created in 1923.
What are the different types of relays used in substation?
kinds of electrical relays
How do you run tandem relays in baseball?
There is no such thing as "tandem relays" in baseball.
How do you find the relays for the cooling fan on the radiator?
relays will be found on inerfenders or firewall
How many cooling fan relays does an 02 Buick rendezvous have?
3 relays
When was Mount SAC Relays created?
Mt. SAC Relays was created in 1959.
What are alarm relays?
relays which operate by signalling alarms notifying the type of the fault
Difference between relay and solid state relay?
All solid state relays are relays, but not all relays are solid state relays. There are three basic kinds of (protective) relays I know of: electromechanical (rely on induced voltages and currents to spin disks or energize solenoids), solid state (built with solid state parts - basically prerequisites to microprocessors), and microprocessor based relays (fancy computers).
Where can you find the relay cluster on a 1985 fiero gt?
There are multiple relays located throughout the car. There are relays back by the engine (ex. fuel pump), relays under the dash (Door locks) and relays up front (for the headlight motors).
