Potentiometers are essentially voltage dividers used for measuring electric potential.
Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment.
Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick.
Potentiometers are rarely used to directly control significant power (more than a watt), since the power dissipated in the potentiometer would be comparable to the power in the controlled load.
**This circuit is only used for demonstration purposes and will never be commercialised so any argument concerning component wastage, cost, excessive heat, excessive power consumption and grandparent comments are totally irrelevant**
Enjoy...😎
