ElectrostaticsMedium

Question

Five balls, numbered 1 to 5, are suspended using separate threads. Pairs (1, 2), (2, 4), (4, 1) show electrostatic attraction, while pairs (2, 3) and (4, 5) show repulsion. Therefore ball 1 :

Options

A.Must be positively charged   
B.Must be negatively charged
C.May be neutral    
D.Must be  made of metal

Solution

Attraction is possible between a charged and a neutral object.

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