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22 A cell of emf 2 V and negligible resistance is connected in series with...

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22 A cell of emf 2 V and negligible resistance is connected in series with a resistance of 5 ohm and a potentiometer wire of resistance 10 ohm What is the potential drop per em if the length of the potentiometer wire is 10 m The emf a cell which is balanced by 750 cm long wire is 1 3 1 P 1500 cm IV 1250 cm 0 5V 0 6V 2 4 750 cm IV 1 V 1V 250 cm

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