Explain the principle on which Van-de-Graaff generator operates. Draw a labeled schematic sketch and write briefly its working. A Van-de- Graaff type generator is capable of building up potential difference of 15×10 6 V. The dielectric strength of the gas surrounding the electrode is 5×10 7 Vm-1. What is the minimum radius of the spherical shell required?
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The principle of Van de Graaf generator is that charge given to hollow conductor gets transferred and uniformly distributed to the outer surface.
You can see the figure and working in your notebook.
You can see the figure and working in your notebook.
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Van de Graaff generator is a device used for building up high potential differences of the order of a few million volts. Principle − It is based on the principle that charge given a hollow conductor is transferred to the outer surface and is distributed uniformly over it. ... The positive charge gets sprayed on the belt.
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