7 The length of the potentiometer wire AB is 100 cm and its resistance is 10 2 Fig 2 68 When AC 40 cm then the null condition of

Question

7 The length of the potentiometer wire AB is 100 cm and its resistance is 10 2 Fig 2 68 When AC 40 cm then the null condition of the galvanometer is observed Determine the resistance R A 0 02 V ww 2 V C R wwww B

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