Electric field measurements inside a conductor

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Main Question or Discussion Point

Hi

we all know that electric field inside a conductor is zero in electrostatic case. but this is
macroscopic field which is averaged over time and space coordinates. what about the instantaneous electric field inside the conductor. are there any experiments done to measure
this instantaneous E field inside the conductor. Also on the surface of the conductor, even in electrostatic case, electrons are not steady due to the thermal motion. So this may cause
very small instantaneous electric field near the surface of the conductor. have people done
any experiments to measure or quantify this ? references from technical literature will be helpful...

thanks
 

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