# A charge of #4 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #22 J# to #15 J#, what is the voltage between points A and B?

##### 1 Answer

Mar 15, 2016

#### Answer:

#### Explanation:

Voltage can be defined as the amount of energy lost or gained by a unit charge as it moves across a circuit from one point to another.

This means

The charge we are considering in this case is

The amount of energy lost is

Thus the voltage is