Write the principle of van de …
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Posted by Mahima P Naik 4 years, 9 months ago
- 3 answers
Yogita Ingle 4 years, 9 months ago
Van de graaff generator is used to generate high voltages of the order of a few million volts. This results in generation of large electric fields for experimental purposes.
Principle
- The inner sphere has a higher potential than outer if the charge q is positive.
- If the two spheres are connected through a wire, the charge will flow from high to low potential.
- Thus, providing smaller potentials at the inner sphere will keep building large amount of charge at the outer sphere, till the breakdown field of air (3 x 106 V/m) is reached.
- This accumulates close to millions of volts.
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Drishty Kamboj 4 years, 9 months ago
0Thank You