Description
Types of variable Resistors
A variable resistor is a resistor in which the electric resistance value is adjustable. It is an electro-mechanical transducer that generally works by sliding a contact (wiper) over a resistive element. A variable resistor use because a potential divider with 3 terminals is a potentiometer. When it has two terminals, it acts as a variable resistor, which is a Rheostat. An electronically control variable resistor controls electronically instead of using a mechanical action.
Applications of Variable Resistor Potentiometer Volume Type:
- Audio control
- Television
- Motion control
- Transducers
- Computation
- Home Electrical Appliances
- Oscillators
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