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Relay - Wikipedia, the free encyclopedia
A relay is an electrically operated switch. Many relays use an electromagnet to operate a switching mechanism mechanically, but other operating principles are also used.
en.wikipedia.org/wiki/Relay
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Relay | Define Relay at Dictionary.com
verb (used with object), re-laid, re-lay·ing. to lay again. Electrical Relays everymanbusiness.com/Electric Relays All You Need to Know About Electrical Relays . Ad ...
dictionary.reference.com/browse/relay
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Huge crowds greet start of London 2012 torch relay - Yahoo! News
The Olympic flame was greeted by thousands of cheering spectators as it began its 70-day relay journey around Britain and Ireland on Saturday ahead of the 2012 London ...
news.yahoo.com/london-olympics-2012-torch-relay-starts...
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HowStuffWorks "How Relays Work"
A relay is simply a mechanical switch that you’ll find in your house and car electronics. See what relay components are doing in all your stuff.
electronics.howstuffworks.com/relay.htm
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Relays - Welcome to the Electronics Club
The Electronics Club ... A relay is an electrically operated switch. Current flowing through the coil of the relay creates a magnetic field which attracts a lever ...
www.kpsec.freeuk.com/components/relay.htm
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