Question

What is drift velocity?

Answer 1

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.
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Answer 2

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★ Drift Velocity :−

Drift velocity is the average velocity with which electrons 'drift' in the presence of an electric field.

» Formula :-

• $\huge \bf vd = \frac{I}{neA}$

† Where :−

• vd = Drift velocity
• I = Current flow
• n = Free electron density
• e = Charge of an electron
• A = Cross sectional area