- #1

unger36

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## Homework Statement

Find an expression for the electric potential a distance z away from the center of rod on the line that bisects the rod.

Express your answer in term of k, Q, L, z and appropriate constants.

Here is the picture.

## Homework Equations

## The Attempt at a Solution

I'm thinking it should be (kQL)/z. I just can't figure out why that isn't correct.