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[" (5.) Two point charges placed at a di...

[" (5.) Two point charges placed at a distance "rin ai "],[" exert a force "F" .The distance at which they exer "],[" same force when placed in a certain mediur "],[" (dielectric constant "K)" is :- "],[[" (1) "rK," (2) "r/K],[" (3) "r/sqrt(K)," (4) "r sqrt(K)]]

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