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J2-02: KELVIN ELECTROSTATIC GENERATOR 9 years 6 months ago #1401

  • zzfixk21
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ID Code: J2-02
Purpose: Demonstrate the Kelvin electrostatic generator.
Description: This device generates electrostatic charge from the breakup of a water stream. The water stream is split and directed downward simultaneously through two cylindrical metal shells into two receptacle cans. Wires connect the shell of one side to the bottom can of the other side to provide positive feedback for the generation of high potentials. One of the cans is connected to an electroscope, to indicate the presence of an electrostatic potential. After a few seconds of dripping, sufficient voltage is developed to deflect the water droplets away from the receptacle cans. A grounded stop on the electrometer discharges the system and the cycle restarts.
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