8143R1KL.25

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Rotary Potentiometers and Rheostats

The 8143R1KL.25 is a rotary potentiometer and, as a result, is a two-terminal device that consists of a resistive track or element with a sliding contact known as a wiper. In this type of device the variable resistance depends on rotational movement of the shaft, which is usually linked to a knob that can be rotated throughout the desired angle. Its application field may vary depending on the desired purpose due to its superior resolution and low cost. This can range from simple controls, such as volume control, to highly sensitive medical equipment.

The 8143R1KL.25 can also be used as a rheostat, a three-terminal resistor used to control electric current. The resistance between the two outer terminals remains constant while the connection between the center terminal and the other two vary as the wiper it is moved, allowing the current to be adjusted. This makes it an ideal device for the control of electric motors.

The principle of operation of the 8143R1KL.25 is based on the resistance present in the sliding contact of the resistive element. This contact provides a resistance differing according to the angle at which it is rotated, being dependent of the potentiometer model. The resistance of the device at any given angle usually is expressed in Ohms, and is denoted by Ohm\'s law, in which the current is proportional to the applied voltage.

The 8143R1KL.25 is typically used to adjust a signal, such as sound or calibrated voltage level, depending on the intended application. It can also be used in electronic circuits, in order to maximize or reduce the output voltage and current of a given circuit. Its functionality relies upon the mechanical part, which adjusts the resistance according to the rotational movement. In addition, current can be controlled by the use of another resistor in series, usually allowing the current to be proportional to wiper movement.

Overall, the 8143R1KL.25 rotary potentiometer and rheostat is a versatile and cost-effective device designed to provide adjustable resistance according to the specific application. Its use covers a wide variety of scenarios in which the level of electric current or voltage needs to be adjusted.

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