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Parallel Plate Capacitor
# 5C10.20


Description: Adjust the spacing between the plates so that they are as close as possible without touching. Charge the plates with a charged rod. Increase the spacing between the plates and observe the electroscope. This demonstration does not work in high humidity. It works best in January or February.

Purchased/Built: built

Setup Time: 5 min

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 18-19 Charge parallel plates with a rod, watch the electroscope as the distance between the plates is changed. Animation sequence.
Hilton E-4d Separate charged plates while an electroscope is attached.
Freier and Anderson Ed-1 Vary the spacing of a charged parallel plate capacitor while the voltage is measured with an electroscope.
Sutton E-69 Charge a simple capacitor of two parallel movable plates and the divergence of electroscope leaves varies as the plates are moved.

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