Statement I: A potentiometer of longer length is used for accurate measurement. Statement II: T...

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Statement I: A potentiometer of longer length is used for accurate measurement.

Statement II: The potential gradient for a potentiometer of longer length with a given source of e.m.f. becomes small.
(A) If both statements are true and statement II is the correct explanation of statement I.
(B) If both statements are true but statement II is not the correct explanation of statement I.
(C) If statement I is true but statement II is false.
(D) If both statements are false.
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