In the Drude model of electrical conduction, the current density is NOT directly proportional to

a.
the electric field present in the wire.

b.
the square of the electron charge.

c.
the number of charge carriers per unit volume.

d.
the average time interval between successive collisions.

e.
the resistivity of the wire.

The resistivity of the wire is not directly proportional to the current density.

Option (e) is correct

Explanation:

Given:

In the Drude model of electrical conduction, the current density is NOT directly proportional to

According to the Drude model, current density is given by.

⇒    

Where the number of charge carriers per unit volume, electron charge, the average time interval between successive collisions, electric field present in the wire.

So from the above equation we conclude that resistivity of the wire is not directly proportional to the current density.

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