if E denotes electric field in a uniform conductor and `v_(d)` the corresponding drift velocity of free electrons in the conductor, then which of the following graph is correct

Drift velocity of free electrons when current passes through the conductor is of the order of

E denotes electric field in a uniform conductor, I corresponding current through it, v_(d) velocity of electrons and P denotes thermal power produced in the conductor, then which of the following graph is correct?

E denotes electric field in a uniform conductor, I corresponding current through it, v_(d) velocity of electrons and P denotes thermal power produced in the conductor, then which of the following graph is correct?

Derive an expression for drift velocity of free electrons in a conductor in terms of relaxation time.