PURPOSE: To demonstrate electrostatic attraction and repulsion.
DESCRIPTION: Two conducting balls suspended from the two arms of the Wimshurst machine are oppositely charged and attract each other. The same two balls suspended from a single arm of the machine will repel each other.
REFERENCES: (PIRA 5A20.20)
EQUIPMENT: Wimshurst machine, two conducting balls suspended by wires.
SETUP TIME: None.
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