Among the following, Van De Graaff generator is used to ____

What is the minimum radius of the spherical metal shell required in a Van de Graaff type generator, if the dielectric strength of the gas surrounding the electrode is $5\times {10}^7 \mathrm{V}\mathrm{ }{\mathrm{m}}^{-1}$ and the potential difference across the spherical shell electrode is to be $15\times {10}^6 \mathrm{V}\mathrm{ }$.

Van de Graaff generator is used for the production of

In a Van de Graaff type generator a spherical metal shell is to be a $15\times {10}^6 \mathrm{V}$ electrode. The dielectric strength of the gas surrounding the electrode is $5\times {10}^7 {\mathrm{Vm}}^{-1}$. What is the minimum radius (in centimetres)  of the spherical shell required?

In Van de Graaff generator, the process of spraying the charge is called

Consider the principle of Van de Graaff generator. Now choose the correct statement(s) from the following.

Van de Graaff generator is

In Van de Graaff generator, potential difference is of the order of