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Physics Electric POtential

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An electric charge q creates a field of 4500 N/C at a point d away from the charge. The potential at that point is +1800V. Determine q and d.

Do you have to use the formula E=kQ/r^2 or something else? I'm lost on how to solve it

  • Physics Electric POtential -

    V=kQ/d
    then you can solve for Q/d=V/k

    but E= kq/d^2
    so we have two equations, two unknowns. Child's play.

    Repost if you get stuck.

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