Electric Field and Electric Induction (id: 484f4ed12)

本题目来源于试卷: Electric Field and Electric Induction，类别为 美国物理杯赛(Physics Bowl)

[单选题]
97.05: Point charges 1 a z)lk *b:,5no(fzc ei b2cxtj(nd 2 have equal ma q 91ykx7*2lw5ssopc ognitude. The diagram to the right shows the electric fiksw9 s2 1*y7xco5olqp eld lines surrounding them. Which of the following statements is true?

A. Charge 1 is positive, charge 2 is negative.
B. Charge 1 is negative, charge 2 is positive.
C. Both charges 1 and 2 are positive.
D. Both charges 1 and 2 are negative.
E. Both charges 1 and 2 have the same sign, but it is impossible to tell which.


参考答案:  A


本题详细解析: 暂无

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