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Uses of Potentiometer...

Uses of Potentiometer

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Use of potentiometer to measure the internal resistance of a cell. (i) When the key K is open, how does the balance point change,if the current from the driver cell decreases ? (ii) When the key K is closed, how does the balance point change if R us increased, keeping the current from the driver cell constant ?

State any one use of a potentiometer.

State the uses of a potentiometer. Why is a potentiometer preferred over a voltmeter for measuring emf?

Describe the use of a potentiometer to compare the emf's of two cells by the direct method (i.e., connecting them separately).

The circuit shows in Fig . 6.33 shows the use of potentiometer to measure the internal resistance of a cell. (a) When the key is open, how does the balance point change, if the driver cell decreases ? (b) When the key is closed, how does the balance point change, if R is increased, keeping the current from the driver cell constant ?

Discuss the principle of potentiometer and explain the determination of potential difference across a conductor using a potentiometer.

Potentiometer|Applications Of Potentiometer