Fields D.2 Electromagnetic Fields & Potential (id: 6e22bd486)

本题目来源于试卷: Fields D.2 Electromagnetic Fields & Potential，类别为 IB物理学

[单选题]
A charge of X and a chargvq o:z +)fmqjm tex127e of 20nC are held at a fixed distance. m(lla h :uxuy2jgk sgukl3+/ l yx.2:+-:wokt

A point where the electric field is zero can only be found in region 1. Which of the following statements is true about the charge on X

A. Positive and bigger than 20nC
B. Positive and smaller than 20nC
C. Negative and bigger than 20nC
D. Negative and smaller than 20nC


参考答案:  D


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