在真空中，两个等量异种电荷的电荷量均q，相距r，则两点电荷连线的中点处的场强大小为_刷题宝

题干

在真空中，两个等量异种电荷的电荷量均q，相距r，则两点电荷连线的中点处的场强大小为（）

A：0

B： $\frac{2 k q}{r^{2}}$

C： $\frac{4 k q}{r^{2}}$

D： $\frac{8 k q}{r^{2}}$

上一题下一题 0.0难度选择题更新时间:2019-06-26 06:41:27

答案(点此获取答案解析）

D

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