试题与答案

两个带电小球,当它们互相靠近时将互相排斥,则这两个小球( ) A.一定带正电荷

题型:选择题

题目:

两个带电小球,当它们互相靠近时将互相排斥,则这两个小球(  )

A.一定带正电荷

B.一定带负电荷

C.一定带异种电荷

D.一定带同种电荷

答案:

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