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