A charge of #25 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #28 J# to #3 J#, what is the voltage between points A and B?

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Answer 1 · 2017-07-10T17:06:16

The voltage is #=1V#

The charge is

#Q=It=25C#

The energy is

#DeltaE=28-3=25J#

The energy is

#E=UIt#

So,

the voltage is

#U=(DeltaE)/Q=25/25=1V#