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Two spherical conductors A and B, having...

Two spherical conductors A and B, having equal radii and carrying equal charges on them, repel each other with a force F when kept apart at some distance. A third spherical uncharged conductor C having the same radius is brought in contact with A. It is then detached from A and brought in contact with B and finally removed away form both. What is the new force of repulsion between A and B?

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The correct Answer is:
`3/8 F`
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