Why the conductivity of metal increase with decrease in temperature,?
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✔✅ As the temperature increases, the molecular vibrations increase (in turn decreasing the mean free path of molecules). So, they obstruct the flow of free electrons, thus reducing the conductivity. ... For metals, the thermal conductivity is mainly a function of the motion of free electrons.
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the conductivity of metal increase with Decrease in temprature because the atom present in metal will vibrate less when temprature is Decrease so electron easily drift which increase conductivity .
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