Object A repels Objects B. Object B attracts object C. If we assume all of these

Question

Object A repels Objects B. Object B attracts object C. If we assume all of these interactions are electrical in nature, which of the following are absolutely true? (Check all that apply) Object A will attract object C. Object C has opposite charge of object A. Object A has the same kind of charge as Object B. If object A and B touch each other, and then object B is placed near C, B and C will not attract each other any more. Object A repels Objects B. Object B attracts object C. If we assume all of these interactions are electrical in nature, which of the following are absolutely true? (Check all that apply) Object A will attract object C. Object C has opposite charge of object A. Object A has the same kind of charge as Object B. If object A and B touch each other, and then object B is placed near C, B and C will not attract each other any more. Object A will attract object C. Object C has opposite charge of object A. Object A has the same kind of charge as Object B. If object A and B touch each other, and then object B is placed near C, B and C will not attract each other any more.

Explanation / Answer

A and B repel => they are of same charge.

B and C attract each other => they are of opposite charge.

So, A and C are of opposite charge.

1 is correct

2 is correct

3 is correct

For 4:

If we touch A and B, then, the charge will be shared between them. But the polarity of charge will still remain same. So, B and C will still attract each other. So, 4th statement is wrong.

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