Answer:
Drift velocity (\[{{\text{v}}_{\text{d}}}\]) is defined as the average velocity with which the free electrons in a conductor get drifted towards the positive end of the conductor under the influence of an electric field applied across the conductor. Expression for current, \[I=neA{{\text{v}}_{\text{d}}}\] Where, \[n\] is the electron density in the conductor of cross-section area A.
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