A charge of $4 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $27 J$ to $11 J$ , what is the voltage between points A and B?

Question

1580 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-14T12:50:42

$DeltaV=-4" "$ volts

The formula for the Difference in Electric Potential in volts

#DeltaV=V_B-V_A=(EPE_B-EPE_A)/q_0

Where $V_B=$ Electric potential at point B
$V_A=$ Electric potential at point A

Electric Potential Energy final
$EPE_B=11" "$ Joule

Electric Potential Energy initial
$EPE_A=27" "$ Joule

Test charge
$q_0=4" "$ Coulomb

$DeltaV=V_B-V_A=(EPE_B-EPE_A)/q_0=(11-27)/4=-4" "$ volts

A charge of 4 C4 C is passing through points A and B on a circuit. If the charge's electric potential changes from 27 J27 J to 11 J11 J, what is the voltage between points A and B?