In the petentiometer arrangemeter shown,...

In the petentiometer arrangemeter shown, the driving cell `A` has emf `epsilon` and internal resistance `r`. The emf of the cell `B` is `(epsilon)/(2)` and internal resistance `2r`. The petentiometer wire `CD` is `100 cm` long. If balance is obtained with length `CJ = l`, then

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In the potentiometer arrangement shown, the driving cell A has emf epsilon and internal resistance r . The emf of the cell B is (epsilon)/(2) and internal resistance 2r . The potentiometer wire CD is 100 cm long. If balance is obtained with length CJ = l , then

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In the petentiometer arrangemeter shown, the driving cell `A` has emf `epsilon` and internal resistance `r`. The emf of the cell `B` is `(epsilon)/(2)` and internal resistance `2r`. The petentiometer wire `CD` is `100 cm` long. If balance is obtained with length `CJ = l`, then

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