A charge of $2 C$ $2 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $28 J$ $28 J$ to $24 J$ $24 J$ , what is the voltage between points A and B?

Question

1379 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-09T21:08:50

$V_{AB} = - 2 V$ $V_"AB"=-2V$

$q = 2 C$ $q=2C$
$Delta W=24-28=-4J$
$V_B-V_A=V_"AB"$
$Delta W=V_"AB"*q$
$-4=V_"AB"*2$
$V_"AB"=-4/2$
$V_"AB"=-2V$

A charge of 2 C2C2 C is passing through points A and B on a circuit. If the charge's electric potential changes from 28 J28J28 J to 24 J24J24 J, what is the voltage between points A and B?