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 4 j.nj yjnmo,.are at the three corneh/ m7)2 we(ijp woewn;rs of a square of side 0.50 m. The last corner is occupied by a -3.0 mC c;2oewwi h7wpn j/m) e(harge. 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
| 
