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A finite rod of length L has total charge q, distributed uniformly along its length. The rod lies on the x -axis and is centered at the origin. Thus one endpoint is located at (−L/2,0), and the other is located at (L/2,0). Define the electric potential to be zero at an infinite distance away from the rod. Throughout this problem, you may use the constant k in place of the expression 14πϵ0.

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Answer:

the electric potential at an infinite distance is the workdone in moving a charge from one point at an infinite distance to another point at an infinite distance. This will be zero.

Explanation:

Electric potential is given by

E= kQ/r²

If r becomes   ∞, then

E= kQ/(∞)²= 0

So electric potential at an infinite distance away from the rod is zero

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