For example they are used to control the volume in a radio. The maximum resistance that a preset can provide is written on it. Variable Resistor Working Construction Characteristics 10k Potentiometer Pinout Working Datasheet Explained Variable Resistors Definition Uses Types Electrical4u Led light paper 2 pencil 9v battery battery lead electrical tape. How to use a variable resistor . Variable resistors definition uses types january 31 2019 february 24 2012 by electrical4u a variable resistor is a type of resistor whose electrical resistance value can be adjusted on demand. The easiest way to do this is through the use of a 555 timer circuit with a variable resistor between pins 7 and 8 on the integrated circuit. There are 3 pinsterminals on a preset. A potentiometer is almost always used to throttle an input signal so that it can be adjusted....
