How Van de Graaff Generators Work

John C. Bean - WeCanFigureThisOut.org
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  • SCIENCE

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.

  1. 07/24/2017 · VIDEO

    Do you know how Van de Graaff generators work? Let's turn it on.

    How Van de Graaff Generators Work

    14 sec

  2. 07/24/2017 · VIDEO

    Turn it off and the charge stays on the dome.

    How Van de Graaff Generators Work

    3 sec

  3. 07/24/2017 · VIDEO

    To understand what is going on, let's look inside.

    How Van de Graaff Generators Work

    11 sec

  4. 07/24/2017 · VIDEO

    There is only a motor, powering a pulley, connected to a belt, almost touched by a copper comb.

    How Van de Graaff Generators Work

    21 sec

  5. 07/24/2017 · VIDEO

    The pulley is made of a special plastic. Let's fade away all but a few (exaggerated) plastic atoms.

    How Van de Graaff Generators Work

    15 sec

  6. 07/24/2017 · VIDEO

    The pulley's plastic atoms will transfer electrons to the inside of the belt (it's just "static electricity").

    How Van de Graaff Generators Work

    16 sec

  7. 07/24/2017 · VIDEO

    The inside of the belt becomes more and more negative.

    How Van de Graaff Generators Work

    16 sec

  8. 07/24/2017 · VIDEO

    But now let's go back and figure out what the bottom copper comb does.

    How Van de Graaff Generators Work

    9 sec
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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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