Why is copper is not used for making potentiometer wire ?
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hyy dear
Cooper is not used as potentiometer wire because copper has low resistivity and a high temperature coefficient of resistance and hence we do not use it in potentiometer .
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your answer is here mate
Copper wire is not suitable forpotentiometer because it has high temperature coefficient of resistance and small resistivity. So even a very small change in temperature can cause a high change in its resistance which will affect the experimental conditions.
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