本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理
[单选题]
The absolute potential at the center of j/xkdxy/+,blx/d5q bu/zvw 8 a square is 3.0 V when a charnh.i r-o f7ry5iubv;8ge of +Q is locato y r u.f8nbiir-v;75hed at one of the square's corners. What is the absolute potential at the square's center when a second
charge of -Q is placed at one of the remaining corners?
A. zero
B. $3.0 \; V$
C. $6.0 \; V$
D. $9.0 \; V$
参考答案: A
本题详细解析:
暂无
| 
