Resistors

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RESISTORS -Fixed resistors -Variable resistors: LDR Thermistors Potentiometers

Transcript of Resistors

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RESISTORS-Fixed resistors

-Variable resistors:

● LDR

●Thermistors

●Potentiometers

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RESISTORS

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POTENTIOMETER

• A potentiometer,  informally,  a pot, 

is  a  three-terminal  resistor with  a 

sliding  contact  that  forms  an 

adjustable voltage divider. If only  two 

terminals  are  used  (one  side  and  the 

wiper),  it  acts  as  a variable

resistor or rheostat.  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 

transducer, for example, in a joystick. 

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