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  • Fundamentals
    • What is a resistor?
    • Ohm’s law
    • Kirchhoff law
    • Electrical resistivity
    • Inductance
    • Capacitance
    • Resistance
    • Resistor properties
      • Noise
      • Temperature Coefficient
      • Power rating
  • Standards and codes
    • Color code
      • Color code calculator
    • Standard values
    • SMD codes
    • Resistor Sizes and Packages
    • Symbols
  • Types
    • Fixed
    • Variable
      • Potentiometer
        • Potentiometer taper
      • Digital potentiometer
      • Rheostat
      • Trimpot
    • Thermistor
      • NTC thermistor
      • PTC thermistor
    • Varistor
    • Magneto resistor
    • Photoresistor
  • Materials
    • Wirewound
    • Carbon composition
    • Carbon film
    • Metal film
    • Metal oxide film
    • Thin and thick film
  • Applications
    • In Parallel
      • Parallel resistor calculator
    • In Series
    • Heating
    • LED Current Limiting
    • Power
    • Pull up / Pull down
    • Automotive Blower
    • Shunt
    • Braking resistor
  • Resources
    • Books
    • Suppliers
  • Capacitor

Rheostat

by resistorwp September 22, 2012

A rheostat, you can see the wiper which moves over a wirewound resistor.

A wirewound rheostat, used for current control.

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