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]
A positive object touches a neutral electroscope, and the leaves separate. Th)ps/nr )j ;m*hhu8 luaen )uulshrma/pj)h 8 *n;k f,/tyqsg9dt xkv ( xr08a-m/ a negative object isk t80qxgxyf (/-ksm / 9ta,dvr brought near the electroscope, but does not touch it. What happens to the leaves?
A. They separate further.
B. They move closer together.
C. They are unaffected.
D. cannot be determined without further information
参考答案: B
本题详细解析:
暂无
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