(O Schematic diagram of sending unit Radio Volume Control Liquid-Level Sending Unit A volume control, such as in a radio, is a potentiometer. As shown in ... The volume control knob on the radio moves the wiper arm of the potentiometer.
|Title||:||Introduction to Circuit Analysis|
|Author||:||Ron Walls, Wes Johnstone|
|Publisher||:||West Group - 1992-01-01|