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> 用毛皮摩擦过的橡胶棒去靠近一用细线悬挂起来的通草球时，发现橡胶棒能吸引通草球．这时通草球带电情况是 A.带正电荷 B.带负电荷 C.不带电 D.带正电荷或不带电

问题：

发布时间：2024-09-11

用毛皮摩擦过的橡胶棒去靠近一用细线悬挂起来的通草球时，发现橡胶棒能吸引通草球．这时通草球带电情况是

A.带正电荷
B.带负电荷
C.不带电
D.带正电荷或不带电

参考答案：

提问用户：fk***d2O

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