A charge of #2 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #25 J# to #7 J#, what is the voltage between points A and B?

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Answer 1 · 2017-03-23T07:33:00

The voltage is #=9 V#

The potential difference between the points #A# and #B# is #=V#

Voltage =Energy/Charge

#V=(DeltaE)/Q#

#DeltaE=25-7=18J#

#Q=2C#

#1 V=(1J)/C#

#V=18/2=9#Volts