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Topic:Kt Kingtronics Trimming potentiometer
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A trimming potentiometer is a manually adjustable resistor. This device works in relatively simple way. One terminal of the potentiometer is connected to a power source. Another is hooked up to ground (a point with no voltage or resistance and which serves as a neutral reference point), while the third terminal runs across a strip of resistive material.This resistive strip generally has a low resistance at one end; its resistance gradually increases to a maximum resistance at the other end.The third terminal serves as the connection between the power source and ground, and is usually interfaced to the user by means of a knob or lever.The user can adjust the position of the third terminal along the resistive strip in order to manually increase or decrease resistance.By controlling resistance, a potentiometer can determine how much current flows through a circuit. When used to regulate current, the potentiometer is limited by the maximum resistivity of the strip.The power of this simple
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