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Statement I: In the potentiometer circuit shown in figure. E_1 and E_2 are the emf of cells C_1 and C_2, repsectively, with E_1gtE_2. Cell C_1 has negligible internal resistance. For a given resistor R, the balance length is x. If the diameter of the potentiometer wire AB is increased, the balance length x will decrease. Statement II: At the balance point, the potential difference between AD due to cell C_1 is E_2 , the emf of cell C_2. |
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Answer» Statement I is true, Statement II is True, Statement II is a correct EXPLANATION for Statement I. decrease. Hence, the potential DIFFERENCE between A and B due to CELL `C_1` will decrease. Therefore, the null point will be obtained at a higher VALUE of x. |
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