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 $17 J$ $17 J$ to $8 J$ $8 J$ , what is the voltage between points A and B?

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Answer 1 · 2016-03-28T13:22:14

$V_{AB} = - 4, 5 V$ $V_"AB"=-4,5 " V"$

$Delta W=q(V_B-V_A)$
$Delta W=W_2-W_1$

$V_B-V_A=V_"AB"$
$Delta W=q*V_"AB"$

$Delta W=8-17=-9 J$
$-9=2*V_"AB"$

$V_"AB"=-4,5 " V"$

A charge of 2 C2C2 C is passing through points A and B on a circuit. If the charge's electric potential changes from 17 J17J17 J to 8 J8J8 J, what is the voltage between points A and B?