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[" The length of a potentiometer wire is "l" .A cell of emf "E" is balanced at a length "l/3" from the positive end of the wire.If the "],[" length of the wire is increased by "1/2" .At what distance will be same cell give a balance point."],[[" (A) "(21)/(3)," (B) "(1)/(2)," (C) "(l)/(6)," (D) "(4l)/(3)]]

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