1.

To the potentiometer wire of length L and 10 Ωresistance, a battery of emf 2.5 volts and aresistance R are connected in series. If apotential difference of 1 volt is balanced acrossL/2 length, the value of R in Ω will be14.(4) 1 (B) 1.5 (C) 2 (D) 2.5

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