A 6V battery of negligible internal resistance is connected across a uniform wire AB of length 100 cm The positive terminal of

Question

A 6V battery of negligible internal resistance is connected across a uniform wire AB of length 100 cm The positive terminal of another battery of emf 4 V and internal resistance 1 Q is joined to the point A as shown in figure If galvanometer shows zero deflection then 6 V A H HWW G 4V 12 B

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