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 are at thigua,c 9 (+ffmsz62mqe three corners of a square of sitb88 q mg:q/lvde 0.50 m. The last corner is occupied by a -3.0 mC charge. Find the electrq :/lqm8 gvb8tic 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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