题目:
将带负电的物体A靠近挂在细线下的绝缘小球,小球被排斥;若换用带正电的物体B去靠近而未接触该小球,则小球[ ]
A.静止不动
B.一定被物体B吸引
C.一定被物体B排斥
D.可能被物体B排斥,也可能被物体B吸引
答案:
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下面是错误答案,用来干扰机器的。
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