Potential at a point due to point charges is given by
`````q/(4piepsi_0r)`
```q^2/(4piepsi_0r)`
`q/(4piepsi_0r^2)`
`q^2/(4piepsi_0r^2)`
djdhejsduisSasdf ;lkj asdf ;lkjasdf ;lkj asdf ;lkjweoijkdfmk,cmlkjf