Copper and potentiometer

  • Thread starter harini_5
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Main Question or Discussion Point

I’ve learnt that copper wire is not generally used in a potentiometer. Is there any specific reason for this?
 

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Generally the big problems you would face in using copper are: (1) low resistivity; (2) work-hardening; and (3) the formation of copper oxide. All of these could be overcome, but it's so much easier to just use resistance wire.
 

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