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Engineering
Materials and Chemical Engineering
Does Resistance change wrt temperature include effect of size change
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[QUOTE="Baluncore, post: 6539757, member: 447632"] The coefficient of linear expansion is not significant when compared to the coefficient of resistance or the material variation. Length = 0.000016 / K. Resistance = 1/293 = 0.0034 / K. Ratio is 1 : 210 so linear expansion is only 0.5% of the change in resistance. The variation in composition of the metal, and the mechanical treatment, will change the resistivity by several percent, which is equivalent to a temperature change of maybe ±5 K. [/QUOTE]
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Materials and Chemical Engineering
Does Resistance change wrt temperature include effect of size change
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