1. Control the volume of a speaker, i.e. the volume knob on a transistor radio.
2. If attached to a pedal or door hinge, you could use the measured resistance to determine the angle. This would need some calibration in order to be accurate however.
A potentiometer is a variable resistor used in electronics.
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how do test a variable resistor
A potentiometer and a rheostat are two different applications for a variable resistor.A potentiometer is a variable resistor, connected (using its three terminals) as a variable potential divider.A rheostat is a variable resistor, connected (using two of its three terminals) to adjust current.
To connect a variable resistor to a circuit, identify the two terminals of the variable resistor. Connect one terminal to the input or output of the circuit where you want to adjust the resistance. Connect the other terminal to either the ground or another reference point depending on the circuit's design. Ensure that the resistance value on the variable resistor is adjusted as needed for your circuit application.
If you have a light switch where you can brightener it or dim it that is a VARIABLE RESISTOR.
A variable resistor means that the resistance can be varied, usually by using a slide. A fixed resistor can not be varied.
Definitely two. Possibly three.
yes, a variable resistor
Variable resistor is an resistor that can change its resistance manually, by rotating a handle or a screw.
its the colour of the fixed and the variable we define it by its power and name
The volume knob on an audio device (radio, TV) is an example of a variable resistor. A variable resistor is also known as a potentiometer.