# A charge of #5 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #27 J# to #7 J#, what is the voltage between points A and B?

##### 1 Answer

Mar 10, 2016

#### Answer:

#### Explanation:

We use the definition of electrical potential, or Voltage as given by

where

Then the voltage at B with respect to A is

Therefore, the voltage at point B is