本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 通用国际物理
[单选题]
Can electric field lines innr) z6:s:kt untersect inl 0y6w;n s2j3fmy/a deo,yv q* et/f:m free space?
A. Yes, but only at the midpoint between two equal like charges.
B. Yes, but only at the midpoint between a positive and a negative charge.
C. Yes, but only at the centroid of an equilateral triangle with like charges at each corner.
D. No.
参考答案: D
本题详细解析:
暂无
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