Question

How does
one explain increase in
resistivity
of a good conductor in terms
of relaxation time
of electrons.​

Answer 1

As the temperature of the conductor is decreased, the number of electron collisions also decreases. As a result, relaxation time gets increased.

Answer 2

Answer:

Therefore, the expression for electrical resistivity is given by ρ=mne2τ. Note: Electrical resistivity is inversely proportional to relaxation time. Reciprocal resistivity gives conductivity.

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