Three Possible Configurations for an Electron E and a Proton

question 40

Multiple Choice

Three possible configurations for an electron e and a proton p are shown below. Take the zero of potential to be at infinity and rank the three configurations according to the potential at S, from most negative to most positive.

• A) 1, 2, 3
• B) 3, 2, 1
• C) 2, 3, 1
• D) 1 and 2 tie, then 3
• E) 1 and 3 tie, then 2

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