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## Homework Statement

An electric charge Q is uniformly distributed along a thin circular wire situated in the z = 0 plane at x

^{2}+ y

^{2}= R

^{2}. Determine the electrostatic potential at the point (0, 0, D).

## Homework Equations

## The Attempt at a Solution

I figured the only components that mattered would be the one perpendicular to the wire since the parallel components would cancel with the other side of the wire. But I'm not sure what equation to use, or how to approach this. I also found tan of the angle between the point and the loop is R/D, not sure if I need that?

Thanks in advance.