本题目来源于试卷: Physics Unit17: Electric Potential，类别为 国际高中通用物理
[单选题]
Four charges of equal charge7:xxc; 3jq c4 bauv4upyo:8oz )/vnm9 idm-m ati 43ni +q are placed at the corners of a rectangle of sides a and b. What is the potential at the center of the rectangle if q = 2.0 mC, 8 i-t:)oym dvoa4/9iz3mmnn ia = 3.0 cm, and b = 4.0 cm?
A. $1.3 \times 10^{6} \; V$
B. $2.9 \times 10^{6} \; V$
C. $3.5 \times 10^{6} \; V$
D. $7.8 \times 10^{6} \; V$
参考答案: B
本题详细解析:
暂无
| 
