Experiment Ea-05
Electrostatic Repulsion
Description: Two
small pith balls, approximately 3/8" in diameter, are suspended by nylon
thread from a common support.
Two
pith balls hanging from a support system.
The balls show strong repulsion
when they are charged with the same charge from either an ebonite rod or a glass
rod.
Left:
Ebonite rod with cat's fur. Right: Glass rod with silk.
Pith
balls are repelled by glass rod.
Materials: 2
3/8" pith balls, nylon thread, support, charged rod (ebonite + cat's
fur or glass + silk)
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Thursday August 21, 2008 7:50 AM
