Answer to Question #307694 in Electricity and Magnetism for Rena

Question

Find the potential at a distance of 0.07 m from a -6 nC charge

Answer 1

Potential

$V=\frac{kq}{r}$

$$V=\frac{-9\times10^9\times6\times10^{-9}}{0.07}=-771.42Volt$$