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    Why does the potential difference split in a series circuit but stay constant in a parallel circuit?
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    Kirchoff's laws.
    Conservation of energy

    Why is always a tricky question in Physics and you can get answers at lots of different levels.

    Some find it helpful to think in terms of height differences as a way of thinking about PD.

    2 points have the same difference in heights no matter which path you go between those points(parallel)

    If you go down one path, you add up all the height differences to get the total drop. (series)
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    (Original post by teachercol)
    Kirchoff's laws.
    Conservation of energy

    Why is always a tricky question in Physics and you can get answers at lots of different levels.

    Some find it helpful to think in terms of height differences as a way of thinking about PD.

    2 points have the same difference in heights no matter which path you go between those points(parallel)

    If you go down one path, you add up all the height differences to get the total drop. (series)
    That's a really good example! Thank you so much I understand it now
 
 
 
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