First slide

potentiometer

Question

Statement 1: A potentiometer of longer length is used for accurate measurement.
Statement 2: The potential gradient for a potentiometer of longer length with a given source of e.m.f. becomes small.

Easy

A

Both statements 1 and 2 are correct
B

Statement 1 is correct statement 2 is incorrect
C

Statement 1 is incorrect statement 2 is correct
D

Both statements 1 and 2 are incorrect

Solution

$Sensitivity \propto \frac{1}{Potential gradient} \propto (Length of wire)$

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