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working out potential difference

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    hoping you can help me. One of my friends is doing IB physics and is stuck on this. I tried to have a go but just failed miserably.
    "what is the p.d between 2 points in a circuit if 1x10^-6 of energy is transformed when 1x10^-9 of charge is moved between the points......."

    I've got as far as V=IR. :rolleyes:
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    sorry to bump this but I need a pretty quick reply...
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    E = QV

    E/Q = V

    1x10^-6 / 1x10^-9 = 1000 V

    (Energy = Charge x Voltage)
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    Thank you!
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    (Original post by Laura373)
    Thank you!
    No problemo.


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