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23. A battery of emf E, = 12 V is connec...

23. A battery of emf E, = 12 V is connected across a 4 m long unfiorm wire having resistance 492/m. The cells of small emfs & = 2 V and &2 = 4 V having internal resistance 2 12 and 6 S2 respectively, are connected as shown in the figure. If galvanometer shows no deflection at the point N, the distance of point N from the point A is equal to:- E R =812 & Hwn Eyr (1) m (2) m (3) 25cm (4) 50cm 4 Voda

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