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Faraday's Ice Pail
# 5B20.10

Description: Place a charge on the sphere. Touch the inside of the pail with the proof plane. Touch the plane to the Pasco Electrometer and show no charge is present. Now touch the outside of the pail and then the electrometer. The meter on the overhead will deflect and hold the charge.

Parts: Faraday's Ice Pail, charged rod (either pos. or neg.), Pasco Electrometer w/ overhead meter.

Setup Time: 5 min

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 17-15 Charge a bucket with a Wimshurst and transfer charge from the inside and outside of the bucket to an electroscope.
Sutton E-28 With a proof plane and electroscope, show charge is on the outside of a hollow conductor. ALSO, "Faraday's bag".
Sutton E-13 A charged ball is moved in and out of the Faraday ice pail and the electroscope deflection noted, then touched to the inside of the pail.

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