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 charge of 20nC are held at, wxl/ 3gs+vjtuymq0wx2 del6dtz5 2/ a fixe7;j0j4w r3 +oyo xzpqhd distance.

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


本题详细解析:

微信扫一扫，分享更方便