K8-45 RADIO WAVES FROM SPARK
- ID Code: K8-45
- Purpose: Demonstrates that a spark contains radio waves
- Description:
Turn the radio on to a frequency where there is no station. Hold the battery near the radio and short it out by quickly contacting and releasing the contact using a banana wire cable. A clicking sound will readily be heard on the radio.
Compare J3-23: Faraday Cage - Radio Waves, which can use the same radio to illustrate a related phenomenon.
- Availability: Available
- References: http://lecdem.physics.umd.edu/images/refs/refsk.htm#K8-45
- Loc codes: K8
- Videos-1: http://lecdem.physics.umd.edu/images/OldDemoIndex/demosk8/k8-45.mpg