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CBSE Class 10 Answered

what is potentiometer? please explain
Asked by | 09 Jul, 2008, 09:26: PM
answered-by-expert Expert Answer

A potentiometer 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 as controls for electrical devices such as a volume control of a radio. 

Answered by | 09 Jul, 2008, 11:37: PM

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