Faraday Cage with Radio

Identifier: E&M: ES - 020

Faraday Cage, Hand-held radio, and aluminum foil

Concept Overview:

A mesh of conducting material can block an electromagnetic field from penetrating the interior.

Lecturer Procedure

Step(s) to Follow

  1. Turn on pocket radio to FM 105.1 (or something of similar strength)
  2. Place radio on metal sheet.
  3. Place cage on top of radio.

Expected Result

Radio will lose signal and no sound can be heard.

Transcript:

0:02 - Music is heard playing

0:08 - No music can be heard

0:11 - Music is heard playing

0:17 - No music can be heard

0:20 - Music can be heard playing

0:24 - Music is heard

0:28 - No music can be heard

0:32 - Music is heard

0:35 - No music

0:38 - Music