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A potentiometer wire AB is 100 cm long and has a total resistance of 10...

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A potentiometer wire AB is 100 cm long and has a total resistance of 10 ohm If the galvanometer shows zero deflection at the position C then find the value of unknown resistance R A 40 cm 5V r 122 HEM 10V A 20 C 622 HC R im G B B 42 D 822

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