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This podcast is drawn from the "Virtual Lab" of WeCanFigureThisOut.org. This Virtual Lab uses 3D virtual reality animations to explain electronics, microelectronics and nanotechnology. This podcast explains how Van de Graaff generators work by using a motor to separate charges.
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There is only a motor, powering a pulley, connected to a belt, almost touched by a copper comb.
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The pulley is made of a special plastic. Let's fade away all but a few (exaggerated) plastic atoms.
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The pulley's plastic atoms will transfer electrons to the inside of the belt (it's just "static electricity").
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So the Van de Graaff uses the motor's work pushing electrons upward to build up "electrostatic energy."
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This podcast is drawn from the Virtual Lab presentations of
WeCanFigureThisOut.org. The copyrighted material of this site
was developed under funding from National Science Foundation
CCLI, NIRT, MRSEC ...
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This podcast is drawn from the Virtual Lab presentations of
WeCanFigureThisOut.org. The copyrighted material of this site
was developed under funding from National Science Foundation
CCLI, NIRT, MRSEC ...
0:33
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