A charge of $4 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $15 J$ to $7 J$ , what is the voltage between points A and B?

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Answer 1 · 2017-05-23T05:21:20

The voltage is $=2V$

The potential difference between the points $A$ and $B$ is $=U$

Voltage =(Energy)/Charge

$U=(DeltaE)/Q$

$DeltaE=15-7=8J$

The charge is $Q=4C$

$1 V=(1J)/C$

$U=8/4=2V$

A charge of 4 C4 C is passing through points A and B on a circuit. If the charge's electric potential changes from 15 J15 J to 7 J7 J, what is the voltage between points A and B?