Lecture Demonstrations Laboratory

The Demonstrations Manual

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Electrostatics
Electric Fields And Potential: Van de Graaff Generator; Electrostatic Bell; Electric Lines of Force; Electrostatic Motor; Electric Fields; Gauss' Law; Radio in Faraday's Cage; Lightning Rod; Electric Wind; Ionic Drive; Smoke Precipitator
Capacitance
Current and Resistance
Electromotive Force And Current
DC Circuits
Magnetic Materials
Magnetism
Inductance
Induction
Complex Circuits
Semiconductors And Tubes
Transmission Lines and Antennas

Radio in Faraday's Cage

Purpose:

To demonstrate the Gauss law and the shielding effect of a conductor.

Procedure:

Tune a radio to a station with a clear signal. Place the radio on top of an aluminum plate and cover with a metal mesh. The radio stops receiving signals.

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