本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 国际高中通用物理
[单选题]
Three 3.0 mC charges are at the three corners of a squargc;kn188 lw, 3tha abje of side 0.50 m8may g4 dirih9/2umpng;v2:m. The last corner is occupgd4:2ui; 8m gpnm vamrhi 29y/ied by a -3.0 mC charge. Find the electric field at the center of the square.
A. $2.2 \times 10^{5} \; N/C$
B. $4.3 \times 10^{5} \; N/C$
C. $6.1 \times 10^{5} \; N/C$
D. $9.3 \times 10^{5} \; N/C$
参考答案: B
本题详细解析:
暂无
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