Experiment Ec-05
Forces Between Electrodes
Description: A
conductive ball is grounded and suspended near the sphere of an electrostatic
generator so that it can move towards or away from the sphere. Charge of the opposite
polarity from the generator is induced on the grounded ball. The ball is attracted
to the sphere and moves toward it. When a spark occurs, the charge is neutralized
and the grounded ball falls away from the sphere.
Setup:
the ball is hung near the electrostatic generator and grounded to the case of
the generator.
SAFETY
INSTRUCTIONS
MAKE
SURE THAT THE MACHINE IS PROPERLY GROUNDED BEFORE TURNING IT ON AND AFTER FINISHING
WITH IT.
Materials:
electrostatic generator, conductive ball, grounding wire, string for hanging
ball
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Friday August 15, 2008 8:37 PM
