Fields D.2 Electromagnetic Fields & Potential (id: 9c3a67317)

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

[单选题]
Two positive charges of magnitude 2C an b 6ok(2glss8dd 8C r (5o(u:ecd7(vc wd rkr 2r5jgwespectively are placed 9cm apart. A third charge is introduced between the2wv c(r (u:ckdje(5 r5dgo 7wr two charges as shown below;


At what separation, X, from the 2C charge is the electric field strength equal to zero?

A. 0.19cm
B. 1.70cm
C. 3.00cm
D. 4.50cm


参考答案:  C


本题详细解析:

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