Question

2.5 At which temperature, the resistivity of a metallic conductor becomes zero?​

Answer 1

Resistivity in a metal is a function of temperature; it increases with temperature due primarily to electron-phonon interaction. However, due to the presence of small amount of impurities and defects, the resistivity is finite even at absolute zero. Thus both resistivity and conductivity are finite at absolute zero.

Answer 2

Answer:Resistivity in a metal is a function of temperature; it increases with temperature due primarily to electron-phonon interaction. However, due to the presence of small amount of impurities and defects, the resistivity is finite even at absolute zero. Thus both resistivity and conductivity are finite at absolute zero.

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