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 a square is 3v ptx9c3p9d/n.0 V when a charge eo+p ymb09j7q of +Q is located at one of the square's corners. What is the absolute potential at the square's centeoq9ym b07e jp+r 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
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