Potentiometer Voltage Divider

`V_L = ( R_2 * R_L )/( R_1 *RL+ R_2 *RL+ R_1 * R_2 )* V_s `

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The Potentiometer Voltage Divider provides the voltage output when a potentiometer is used as a voltage divider to obtain a manually adjustable output voltage at the slider form a fixed input voltage applied across the two ends of the potentiometer. The voltage across R_L can be calculated by `V_L=(R_2R_L)/(R_1R_L+R_2R_L+R_1R_2)V_s`, where:

`R_L` = load resistance
`R_1` = resistance in series with the others
`R_2` = resistance parallel to load
`V_s` = voltage divider input

References

Wikipedia (https://en.wikipedia.org/wiki/Potentiometer)