Home JEE Main - Previous Year Papers JEE MAIN 2023 JEE MAINS 29 JAN- 2023 PAPER SHIFT -2 With the help of potentiometer, we can deter…
JEE Main - Previous Year Papers JEE MAIN 2023 JEE MAINS 29 JAN- 2023 PAPER SHIFT -2 Single Correct MCQ
Published on: August 23, 2026

With the help of potentiometer, we can determine the value of emf of a given cell. The sensitivity of the potentiometer is

A
directly proportional to the length of the potentiometer wire A only
B
directly proportional to the potential gradient of the wire C only
C
inversely proportional to the potential gradient of the wire A and only
D
inversely proportional to the length of the potentiometer wire Choose the correct option for the above statements:
and only

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Text Solution

Verified by Experts
The correct answer is:
C

If on displacing the jockey slightly from the null point position, the galvanometer shows a large deflection, than the potentiometer is said to be sensitive. The sensitivity of the potentiometer depends upon the potential gradient along the wire. The smaller potential gradient greater will be sensitivity.

Sensitivity , potential gradient , length

Sensitivity length

Sensitivity

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