ELECTRICITY AND MAGNETISM - CAPACITANCE - DIELECTRIC NC State University Faculty Access

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Capacitor with Dielectrics
# 5C20.10


Description: Place a dielectric between the plates and push the plates against the dielectric. Charge the plates with charged rods. Slide the dielectric out of the plates and observe how the electroscope changes.

Parts: parallel plate capacitor, dielectric, charged rods, electroscope

Purchased/Built: built

Setup Time: 5 min

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 18-20 Charge a parallel plate capacitor with a rod, insert dielectrics and observe the electroscope. Animation.
Sutton E-70 Various dielectrics are inserted between two charged metal plates to show the difference in deflection on an electroscope.
Freier and Anderson Ed-2 The voltage is measured with an electroscope as dielectrics are inserted between parallel plates of a charged capacitor.

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