1. The problem statement, all variables and given/known data The question is attached. 2. Relevant equations V = kq/r 3. The attempt at a solution The analogy to determining the electric potential by thinking of it as lifting a rock (the more distance the higher the potential) makes sense to me, but I am confused by this equation: kq/r. Doesn't this equation imply that the closer the charge is from the source charge, the higher the potential energy? I always had this dilemma and this is an obstacle that's preventing me from understanding better electricity. I know the answer is B by the way. I just want someone to explain the discrepancy of my understanding and the formula. Thanks!