Question

Define drift velocity and derive an expression for it.

Answer 1

the average velocity with which the negative charge 2 free electrons of a conductor get drifted towards the positive terminal of the battery is called Drift velocity


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Answer 2

The drift velocity is the average velocity that a particle, such as an electron, attains in a material due to an electric field. It can also be referred to as axial drift velocity. In general, an electron will propagate randomly in a conductor at the Fermi velocity.