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Introductory Physics Homework Help
At what point is Electric Potential zero
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[QUOTE="Lizi, post: 6093221, member: 654049"] [B]1. The problem statement[/B] Two charges of 3μC and -2μC are placed 2cm apart. At what point along their connecting line is electric potential zero? [h2]Homework Equations[/h2] Electric potential superposition Φ=Φ1-Φ2 since q2 is negative Φ=kq/r^2 [h2]The Attempt at a Solution[/h2] Let’s say the charges are on the x axis. Their coordinates would be x1 and x1+2 The coordinate of the point we’re looking for is x so kq1/(x-x1) - kq2/(x-x1-2) = 0 3/(x-x1) = 2/(x-x1-2) x-x1=6 So the point is 6cm away from q1, but the answer says 0.8cm away from q2 and I don’t get it [/QUOTE]
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Introductory Physics Homework Help
At what point is Electric Potential zero
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