Faraday cage

Faraday cage

noun Physics.
an enclosure constructed of grounded wire mesh or parallel wires that shields sensitive electrical instruments from electrostatic interference.
Also called Faraday shield.


Origin:
1915–20; named after M. Faraday

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Collins
World English Dictionary
Faraday cage
 
n
an earthed conducting cage or container used to protect electrical equipment against electric fields
 
[C20: named after Michael Faraday]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
Faraday cage  
A container made of a conductor, such as wire mesh or metal plates, shielding what it encloses from external electric fields. Since the conductor is an equipotential, there are no potential differences inside the container. The metal hull of an aircraft acts as a faraday cage, protecting its occupants from lightning. Faraday cages are used to protect electronic equipment from such electrical interference as electromagnetic interference. Also called Faraday shield.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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