SAT Subject Physics Practice Question 612: Answer and Explanation

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Question: 612

8. This question relates to particles placed in the electric field shown below.

A particle is placed into the electric field (E),which has a magnetic field superimposed on it as shown. Where in the electric field will the three particles named below be located after a short period of time if they start at Point E?

The particle is a neutron.

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

Correct Answer: E

Explanation:

The correct answer is (E). A neutron is completely unaffected by the electric field into which it is placed. Consequently, it will not move.

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