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Three identical cells are connected across potentiometer as shown in figure. When switch S is open, null deflection length of potentiometer wire is 250 cm and when S is closed it is 200 cm. Then internal resistance of each cell is(up to two decimal places)

Answer» Three identical cells are connected across potentiometer as shown in figure. When switch S is open, null deflection length of potentiometer wire is 250 cm and when S is closed it is 200 cm. Then internal resistance of each cell is(up to two decimal places)




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