A potentiomete circuithas beenset upfor findingthe internal resistanceof a given cell. The mainbattery, usedacross the potentiometerwire ,has an emf of 2.0 v and anegligibleinternalresistance .The potentiometer wireitselfis 4 m long . Whenthe resistance , Rconnected across the givencell,hasvaluesof (i)Infinity , (ii) 9.5 Omegathebalancinglength'son the potentiometer wireare foundto be3 mand 2.85 m , respectively . Thevalueof internalresistanceof the cell is .

A potentiomete circuithas beenset upfor findingthe internal resistance

1.	A potentiomete circuithas beenset upfor findingthe internal resistanceof a given cell. The mainbattery, usedacross the potentiometerwire ,has an emf of 2.0 v and anegligibleinternalresistance .The potentiometer wireitselfis 4 m long . Whenthe resistance , Rconnected across the givencell,hasvaluesof (i)Infinity , (ii) 9.5 Omegathebalancinglength'son the potentiometer wireare foundto be3 mand 2.85 m , respectively . Thevalueof internalresistanceof the cell is .
Answer» `0.25 OMEGA` `0.95 Omega` `0.5 Omega` `0.75 Omega` ANSWER :C

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