Sensitivity of a potentiometer can be increased by

increasing the emf of the cell.

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increasing the length of the potentiometer.

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decreasing the length of the potentiometer wire..

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none of the above.

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Solution

The correct option is C increasing the length of the potentiometer.
Sensitivity of potentiometer means the smallest potential difference it can measure. It can be increased by reducing the potential gradient. The same is possible by increasing the length of the potentiometer. Hence correct option is option B.

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Similar questions

Q. The sensitivity of a potentiometer can be increased by
a) increasing the series resistance in the primary circuit
b) decreasing the length of the potentiometer wire
c) using a thin and high resistivity wire as a potentiometer wire
d) increasing the length of the wire

State the underlying principle of a potentiometer. Write two factors by which current sensitivity of a potentiometer can be increased. Why is a potentiometer preferred over a voltmeter for measuring the emf of a cell?

Q. Sensitivity of potentiometer can be increased by

Q. A potentiometer wire of length 10 m is connected in series with a battery. The emf of a call balances against 250 cm length of wire. If length of potentiometer wire is increased by 1 m, then new balancing length of wire will be:

Why 10 wire potentiometer is more sensitive than 4 wire potentiometer? Also give another way to increase the sensitivity of potentiometer .

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