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**1. Calculate the change in electric potential energy for a -10µC charge in a uniform electric field of strength 1750 N/C, traveling in a the straight paths OA, OB, or OC as shown. The figure shown is a rectangle with OA being a base, OC being a side and OB being a diagonal (No angle is given).**

**2. Homework Equations :**Well i know ∆EPE = EPEf - EPEi. Also Electric Potential V = kq/r

**3.**Alright I need to find the change in Electric Potential Energy so I think this means finding the difference of the final and initial potentials. However no distance is given in the problem so V = kq/r won't help me. I'm thinking that since the electric field is 1750 N/C throughout the figure that maybe the EPE is constant which would give a change of 0. But I don't think the professor would bother giving me 3 questions all with 0 as an answer.