On Sat, 13 Feb 2016 16:04:56 +0000, gareth wrote:

It is claimed that an electric field cannot exist in a conductor, giving
rise to such things as Faraday Cages, but supposing an applied electric
field was so large that there would be insufficient mobile charges
available to be able to neutralise that field within a conductor?


This would surely affect our theories about wave guides and co-axial
cables, would it not?

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