Five balls, numbered 1 to 5, are suspended using separate threads. Pairs (1,2), (2,4) and (4,1) show electrostatic attraction while pairs (2,3) and (4,5) show repulsion. Therefore, ball 1 must be:
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Hi friend here is your answer.
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Neutral can get attract by both positive and negative via induction.
Ball 1 = neutral
Ball 2= Positive
Ball 3= Positive
Ball 4= Negative
Ball 5= Negative
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Neutral can get attract by both positive and negative via induction.
Ball 1 = neutral
Ball 2= Positive
Ball 3= Positive
Ball 4= Negative
Ball 5= Negative
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