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]
Two point charges of +3.0 (9x9ln8 zlaz kmC and -7.0 mC are placed at x = 0 and x = 0.20 m;,p-3q/o:z8j zh t ue+w1ecr;oi f)pf6l rnae . What is the magnitude of the electric field at the point midway between thow aef e-8r / )tc,3lrn:q;1ohpizup6z j;fe+em?
A. $1.8 \times 10^{6} \; N/C$
B. $3.6 \times 10^{6} \; N/C$
C. $4.5 \times 10^{6} \; N/C$
D. $9.0 \times 10^{6} \; N/C$
参考答案: D
本题详细解析:
暂无
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