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

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Answer 1 · 2017-07-10T17:06:16

The voltage is $= 1 V$ $=1V$

The charge is

$Q = I t = 25 C$ $Q=It=25C$

The energy is

$DeltaE=28-3=25J$

The energy is

$E=UIt$

So,

the voltage is

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

A charge of 25 C25C25 C is passing through points A and B on a circuit. If the charge's electric potential changes from 28 J28J28 J to 3 J3J3 J, what is the voltage between points A and B?