Problem 18(5.00 points) In the illustration, two particles carry the same magnit

Question

Problem 18(5.00 points) In the illustration, two particles carry the same magnitude of charge, one is positive and the other is negative. Which of the dashed lines could be an equipotential line of the two charged particles? A) The circle around one charged particle, with every point on the circle equidistant from the center of the charged particle. B) The vertical line that is located halfway between the charges C) The horizontal line that runs directly through the center of each D) None of the three lines could be an equipotential line for bothcharges.

Explanation / Answer

The answer is B i.e., the vertical line located at the half way between the charges.

Any point on this line is at the same distance from both the charges. So the potential on a point on this line due a charge is exactly equal and opposite to the other charge. So the net potential on this line is zero everywhere.

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