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f-alpha.net » Electronics » Basic Electronics » Potentiometer » Let's go... » Experiment 1 - Potentiometer

Experiment 1 - The Potentiometer

Between two connectors you find the total fixed resistance, which is specified as nominal value on each potentiometer. In the circuit shown you measure with your multimeter the resistance of a trimming potentiometer with a of total resistance R = 10 kΩ.

Circuit for measuring the total resistance of a potentiometer. (Enlarge)

Circuit diagram for measuring the total resistance of a potentiometer.

Your multimeter measures a resistance of R = 10 kΩ. This value remains unchanged even when you turn at the trimming potentiometer with a screwdriver.

But what will be the result when you use the third connector...?

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