Question

The current per unit mass of a conductor, respectively. If the current is the mean collision time, the mass of the electron, the cross-sectional area, and the length of the conductor are N, e, L, M, A and 1, respectively, then the resistance of the conductor is​

Answer 1

Answer:

The resistivity of a material is given by ρ=

ne

2

τ

m

The resistance of the material is R=

A

ρl

=

ne

2

τA

ml