Mobile Phone in Faraday Cage

Placing a phone in the tin

M M J French
A Faraday cage is an interesting physics phenomena where an electromagnetic wave can be excluded from a volume of space by enclosure with an electrically conducting material.
The practical application of this in the classroom is to block the signal to a mobile phone by enclosing it in a metal can!
The background of the physics behind this is described in some detail followed by a explanation of some demonstrations and experiments which I have used….
Read more: http://arxiv.org.pdf

The exponential decrease of the magnitude of an electric f eld inside a conductor

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