Two charges, +q and -q are placed on the x axis. +q is-2cm along the x axis from

Question

Two charges, +q and -q are placed on the x axis. +q is-2cm along the x axis from the origin and -q is +2 cm along the xaxis from the origin There are six positions labeled A through F at variousdistances from the two point charges A is at -4cm from the origin on the x axis B is at -3 cm from the origin on the x axis C is +3 cm from the origin on the y axis D is -3 cm from the origin on the y axis E is +3 cm from the origin on the x axis F is +4 cm from the origin on the x axis Rank the locations A to F on the basis of the electricpotential at each point. Rank positive electric potentials aslarger than negative electric potentials. Two charges, +q and -q are placed on the x axis. +q is-2cm along the x axis from the origin and -q is +2 cm along the xaxis from the origin There are six positions labeled A through F at variousdistances from the two point charges A is at -4cm from the origin on the x axis B is at -3 cm from the origin on the x axis C is +3 cm from the origin on the y axis D is -3 cm from the origin on the y axis E is +3 cm from the origin on the x axis F is +4 cm from the origin on the x axis Rank the locations A to F on the basis of the electricpotential at each point. Rank positive electric potentials aslarger than negative electric potentials.

Explanation / Answer

V = k(q/r) VA = k(q/4 - q/6) = (1/12) kq VB = k(q/1 - q/5) = (4/5) kq VC = k(q/13 - q/13) = 0 VD = k(q/13 - q/13) = 0 VE = k(q/5 - q/1) = (-4/5) kq VF = k(q/6 - q/4) = (-1/12) kq B > A > C = D > F > E

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