Electric Potential Video Lessons

Concept

# Problem: You are designing a Van de Graaff generator, and you want it to hold as many electrons as possible. Should you make the radius of the sphere very large or very small?

###### FREE Expert Solution

The electric potential of a charged sphere:

$\overline{){\mathbf{V}}{\mathbf{=}}\frac{\mathbf{k}\mathbf{q}}{\mathbf{r}}}$ q is the charge on the sphere.

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###### Problem Details

You are designing a Van de Graaff generator, and you want it to hold as many electrons as possible. Should you make the radius of the sphere very large or very small?