Four electrons move from point A to point B in a uniform electric field as shown below. Rank the electrons in diagrams I through IV by the changes in potential energy from most positive to most negative when traveling from A to B.
A. I = II = III = IV.
B. II = III > I > IV.
C. III > I = IV > II.
D. II > I = IV > III.
E. I > II = III > IV.
Answer: D
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