Welcome to the Physics and Astronomy portal. This portal is intended to be a user-friendly guide to physics and astronomy content on Wikiversity for pre-school, primary and secondary levels. For a more specialist and advanced portal, please refer to the School of Physics and Astronomy.
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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