Educational Media Awareness Campaign/Physics/POTD 11

Van de Graaf Generator
1. hollow metallic sphere (with positive charges)
2. electrode connected to the sphere, a brush ensures contact between the electrode and the belt
3. upper roller (for example in plexiglass)
4. side of the belt with positive charges
5. opposite side of the belt with negative charges
6. lower roller (metal)
7. lower electrode (ground)
8. spherical device with negative charges, used to discharge the main sphere
9. spark produced by the difference of potentials
Diagram of a Van De Graaf generator. Click on the image for a full size version which you can freely re-use and modify. Print it and use it for your lessons, integrate it into your pages on Wikiversity, or use it in other learning resources and websites. Use the links below to find more images like this one.

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This image is a part of the
Educational Media Awareness Campaign, raising awareness among educators about the availability and usage of millions of free internet media in education.