A charge of $9 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $21 J$ to $12 J$ , what is the voltage between points A and B?

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A charge of $9 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $21 J$ to $12 J$ , what is the voltage between points A and B?

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Answer 1 · 2016-03-18T20:22:09

$V_"AB"=-1 " V"$

Explanation:

$Delta W=q(V_B-V_A)$
$"it is done work ; if a charge is gone from one point to another"$
$V_B-V_A=V_"AB" " we can write"$
$Delta W=q*V_"AB"$
$Delta W=W_B-W_A$
$Delta W=12-21=-9 " J"$
$-9=9*V_"AB"$
$V_"AB"=-1 " V"$

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A charge of $9 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $21 J$ to $12 J$ , what is the voltage between points A and B?

1 Answer

Explanation:

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A charge of 9 C9 C is passing through points A and B on a circuit. If the charge's electric potential changes from 21 J21 J to 12 J12 J, what is the voltage between points A and B?

1 Answer

Explanation:

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A charge of $9 C$ is passing through points A and B on a circuit. If the charge's electric potential changes from $21 J$ to $12 J$ , what is the voltage between points A and B?