SAT Subject Physics Practice Question 580: Answer and Explanation

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Question: 580


An electron, a proton, and a neutron are located at point (A) above in an electric field. A short period of time passes. At which position as indicated by the letter on the diagram will the proton be located?

A. Point A
B. Point B
C. Point C
D. Point D
E. Point E

Correct Answer: C


The correct answer is (C). The proton carries a positive charge, and it will be repelled by the positive plate and attracted to the negative plate.

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