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[" Two charged small balls "],[" each of...

[" Two charged small balls "],[" each of charge 'q' and "],[" mass ' "m" ' when suspended "],[" from a common point by "],[" strings of length "l" in air,"],[" then these strings from an "],[" angle of "120^(@)" with each "],[" other.When the system is "],[" immersed in a liquid of "],[" dielectric constant 'k' "],[" (ratio of density of liquid "],[" and ball's material "(d_(L))/(d_(M))=(1)/(3)]

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