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Forums
Physics
Classical Physics
Electromagnetism
Can Current Density Static Create an Effective Electromagnetic Shield?
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[QUOTE="artis, post: 6810527, member: 652341"] A Faraday cage is essentially the same as a mirror for visible light frequencies. The way it shields is the charges present on the surface of the conducting shield reorient in response to the external field, this causes an equal and opposite field to appear at the surface of the shield which blocks the primary EM that tries to propagate through. Somewhat the same way a waveguide for RF frequencies work. The RF wave doesn't get outside the enclosed guide because the inner walls are conducting and they reflect the wave everytime it hits the walls , which it does so after even distances which are related to the wavelength of the wave [/QUOTE]
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Forums
Physics
Classical Physics
Electromagnetism
Can Current Density Static Create an Effective Electromagnetic Shield?
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