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Home  >>  AIMS  >>  Class12  >>  Physics  >>  Electric Charges and Fields
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A charged metallic sphere A of radius 1 cm is suspended by a nylon thread. Another charged metallic sphere B, carried by an insulating handle, is brought closer to A to a distance of 9.0 cm between their centers. The resulting repulsion between the two spheres is F. Then, the spheres A and B are touched by two uncharged spheres C and D respectively. C and D are then removed and B is brought closer to A to a distance of 4.5 cm between their centers. All the spheres are identical.The new repulsive force between the spheres A and B is

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The new repulsive force between the spheres A and B is F
Hence B is the correct answer.
answered May 30, 2014 by meena.p
 

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