German physicist sir gs. It consists of a bare fixed resistance conductor with a terminal at each end plus a conductive wiper arm that moves along the fixed resistor to provide different resistance values.
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Even more components are added to this type of a variable resistor so as to make them compatible with complicated electronic circuits.
What is the function of variable resistor. A variable resistor is in essence an electro mechanical transducer and normally works by sliding a contact wiper over a resistive element. When the ends of the resistor track connect with inputs of circuits. A high voltage variable resistor such as a focus pack is an example.
Ohms was able to discover a definite relationship between voltage current and resistance. There are switch mechanism variable resistors with an annular cross section which are used for the control of equipments. The function of variable resistor is to provide variable resistances in circuitary its also do the function of providing different values of current to different components.
The electrical resistance is varied by sliding a wiper contact along a resistance track. It would cover your need for 5000 or for values higher or lower. They are used as rheostats.
Another type of variable resistor is called a potentiometer or a pot. Besides its usefulness for designing it can be used to vary the resistance for purposes like a volume control or a brightness control. Pots are used as voltage dividers.
Definition of variable resistor. The function of variable resistor is to provide variable resistances in circuitary its also do the function of providing different values of current to different components. This means that they help connect circuits while leaving the resistance track open.
That is the function of a variable resistor providing a continuous selection of resistance values between its limits. A variable resistor is a resistor of which the electric resistance value can be adjusted. It is an electronic component.
It is applied in an electronic circuit for adjusting circuit resistance to control voltage or current of that circuit or part of that circuit. Two common types of special resistors include light dependent resistors which change resistance as light levels change. A variable resistor although used in different industries is used in a relatively similar way.
Basically the function of a resistor is always to oppose the flow of current through it and the strength of this opposition is termed as its resistance. A variable resistor is called a potentiometer or pot for short. Pots are usually small and work by having their resistance control adjusted once and fixed often with a screwdriver.
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