What is the difference between a potentiometer and a voltmeter?

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Solution

Difference between a potentiometer and a voltmeter:
A potentiometer A voltmeter
1. The emf of the circuit is measured by a potentiometer. 1. While the end terminal of the circuit is measured by a voltmeter.
2. It measures an unknown voltage source with a known voltage. 2. It measures the voltage between any two points of an electrical circuit.
3. It has a high level of accuracy and sensitivity. 3. Its sensitivity is less than potentiometer.

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A potentiometer	A voltmeter
1. The emf of the circuit is measured by a potentiometer.	1. While the end terminal of the circuit is measured by a voltmeter.
2. It measures an unknown voltage source with a known voltage.	2. It measures the voltage between any two points of an electrical circuit.
3. It has a high level of accuracy and sensitivity.	3. Its sensitivity is less than potentiometer.