Three charges are arrangedalong the y axis.there is +q in the +y direction, L di

Question

Three charges are arrangedalong the y axis.there is +q in the +y direction, L distance from the axis and +q in the -y direction,L distance from the axis. And a charge of-2qat y=0. with L = 8.67 cm and q = 7.24 nC. What is the electric potential at a distance x = 8.87 cm away on the x-axis?If we look very far away, that is, x >> L, we can find the limiting behavior of the electric potential far from the charges. It can be shown that the electric potential is proportional to x-n, where n is a positive number. What is the value of n?

Explanation / Answer

V= KQ/x n= 1

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