Question

A charge of `8 C` is passing through points A and B on a circuit. If the charge's electric potential changes from `17 J` to `1 J`, what is the voltage between points A and B?

Answer 1

`-2`V

Explanation:

`dU = Q dV`

`dV = (dU)/Q`

`= (1-17)/8 = -2`V