Electrostatics experiments

Light objets attraction Hanging balloon Trickle of water Electroscope and versorium Charging and discharging by contact Charging by induction Points power Two sorts of electric charges (a) Two sorts of electric charges (b) Conduction Sign of Charges Electrostatic chime Electrophorus Faraday Cage
French page

by Michel Maussion - University of Nantes - France

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Faraday Cage




Preparation

  • Cut two aluminium ribbons of 1 cm large and long enough to wrap the electroscope from the bottom to the lid.

  • Lay them in the form of a Greek cross.

  • Place the electroscope upon the middle and fold the ribbons along the container up to the lid.

Experiment

cage1

   

 cage2
Charge a straw and bring
it close to the plate :
the leaves diverge.

   

 Turn the cap over the plate
Bring the charged straw : the
leaves remain close together.

     

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