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- Homework Statement
- The potential difference between the surface of a 3.1 cm - diameter power line and a point 1.4 m distance is 3.9 kV.

- Relevant Equations
- Delta V = - E Delta r

Phi = Integral (E A) = qenc/epsilon naught

Okay so I am a little confused as to where I made a mistake. I couldn't figure out how to program Latex into this website but I attached a file with the work I did and an explanation of my thought process along the way.