本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理
[单选题]
Two identical aluminum objects are insulatd z ha)dtg 8 b6ycl5kc84lvlh1v(74vied from th m)mwm(7br6useir surroundings. Object A has a net chas 7umw)6m(m brrge of excess electrons. Object B is grounded. Which object is at a higher potential?
A. Object A
B. Object B
C. Both are at the same potential.
D. cannot be determined without more information
参考答案: B
本题详细解析:
暂无
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