Question

A work of 30 joules is done in transferring 5 Millie coulombs of charge from a point B to point A in a electric field. The potential difference between B and A is?

Answer 1

W=30 J

Q=5 mC

$W=QV\\V=\frac{W}{Q}$

$V=\frac{30}{5\times10^{-3}}V=6\times10^{3}=6$ kV