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    Hey, I've been studying the photoelectric effect, and there seems to be one (fundamental?) question which I can't seem to grasp.

    ''The potential energy of a charge q due to a potential difference V is qV.

    Give an expression for the potential energy of E of an electron of charge e due to a potential difference Vs.''

    Any help would be greatly appreciated!

    Thanks.
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    Well, potential difference=energy/charge
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    Oh my, I can't believe I didn't see that before!

    Thanks
 
 
 
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