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Q.29 Two identical metal spheres having charges +q and +q respectively. When they are separated by distance r, exerts force of repulsion F on each other. The spheres are allowed to touch and then moved back to same separation. The new force of repulsion will be Choose answer: F

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Two identical metal spheres carry charges of + q and - 2Q respectively. When the spheres are SEPARATED by a large distance r, the FORCE between them is F. Now the spheres are allowed to touch and then MOVED back to the same separation. Find the new force of repulsion between them.



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