# A charge of 12 C is passing through points A and B on a circuit. If the charge's electric potential changes from 60 J to 42 J, what is the voltage between points A and B?

May 20, 2017

The voltage is $U = 1.5 V$
## $U = \frac{\Delta E}{Q}$
$U = \frac{60 - 42}{12} = \frac{18}{12} = \frac{3}{2} = 1.5 V$