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]
Consider point charges of +Q and +4Q, which are separj5:f-(swxht qtj7ja 6 ated by 3.0 m. At whatw s7qlov*n9 sw/c6 s-gzwd)dtsa :3 +o point, on a lin *9tvo7oslwqsz :-/ a dss+dw6n w)gc3e between the two charges, would it be possible to place a charge of -Q such that the electrostatic force acting on it would be zero?
A. There is no such point possible.
B. 1.0 m from the +Q charge
C. 1.0 m from the +4Q charge
D. 0.60 m from the +Q charge
参考答案: B
本题详细解析:
暂无
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