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]
Three 3.0 mC charges ar9x6krrwmppja0.f:)2 x-bjh r ag/)q we at the three corners of a square of side 06yv7k o z3y4dd.50 m. The last corner is occupied by a -3.0 mC charge. Find the electric field at the center 34yvd7d zkoy6of 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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