Physics · Current Electricity
Why is pure copper wire generally not used as a potentiometer wire?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because it has a very low thermal conductivity
- 2Because its resistivity is low and its temperature coefficient of resistance is large✓
- 3Because its resistivity is low and it has a small temperature coefficient of resistance
- 4Because its resistivity is extremely high
Correct answer
Because its resistivity is low and its temperature coefficient of resistance is large
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