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 $14 J$ $14 J$ , what is the voltage between points A and B?

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Answer 1 · 2016-02-18T14:24:04

$v_{A B} = - 7 V$ $v_(AB)=-7 " V"$

$Delta W=q(V_B-V_A)$
$V_B_V_A=V_(AB)$
$Delta W=q*V_(AB)$
$14-28=2*V_(AB)$
$-14=2*V_(AB)$
$v_(AB)=-7 " V"$

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 14 J14J14 J, what is the voltage between points A and B?