CBSE Class 12-science Answered
The spherical metal shell in a Van de Graff type generator is supposed to be a 3 x 107 V electrode. The dielectric strength of the gas surrounding the electrode is 5 x 107 Vm-1. What is the minimum radius of the spherical shell required?
Asked by Topperlearning User | 22 Apr, 2015, 11:35: AM
Expert Answer
Electric field at the surface, 
Potential of the sphere, 
Emax = 5 x 107 Vm-1
Answered by | 22 Apr, 2015, 01:35: PM
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