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31. 2 48a Two charges 9, and q, are plac...

31. 2 48a Two charges 9, and q, are placed 30 cm apart, as Two chare shown in the figure. A third charge 9, is moved at the arc of a circle of radius 40 cm from C to D. the change in the potential energy of the system is 93 ATED -k where k is where 40 cm 91 A 30 cm BD TAIPMT (Prelims)-2005] (2) 807 (4) 69 (1) 892 (3) 692

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