Electricity and Magnetism > Electric Fields and Potential DCS# 5H20.35

RADIO IN A CAGE

radio in a cage

APPARATUS
Faraday cage 202-18-B
radio 202-09-E


DESCRIPTION
Use the Faraday cage to shield a radio from radio waves to show that the electric field is zero inside a closed conducting surface.

Or, with the radio tuned to an FM station, place it in a pair of aluminized mylar bags used to ship electronic components.