In the potentiometer arrangement shown

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In the potentiometer arrangement shown, the driving cell A has emf ε and internal resistance r. The emf of the cell B is ε2 and internal resistance 2r. The potentiometer wire CD is 100 cm long. If balance is obtained with length CJ=l, then
15
Nov
In the potentiometer arrangement shown, the driving cell A has emf ε and internal resistance r. The emf of the cell B is ε2 and internal resistance 2r. The potentiometer wire CD is 100 cm long. If balance is obtained with length CJ=l, then In the potentiometer arrangement shown the driving cell A has emf [...]
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Tags: In the potentiometer arrangement shown , the driving cell A has emf ε and internal resistance r. The emf of the cell B is ε2 and internal resistance 2r. The potentiometer wire CD is 100 cm long. If balance is obtained with length CJ=l , then ,