What does drift velocity mean?

Definitions for drift velocity
drift veloc·i·ty

This dictionary definitions page includes all the possible meanings, example usage and translations of the word drift velocity.

Wikipedia

  1. Drift velocity

    In physics, a drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field. In general, an electron in a conductor will propagate randomly at the Fermi velocity, resulting in an average velocity of zero. Applying an electric field adds to this random motion a small net flow in one direction; this is the drift. Drift velocity is proportional to current.

Wikidata

  1. Drift velocity

    The drift velocity is the average velocity that a particle, such as an electron, attains due to an electric field. It can also be referred to as axial drift velocity. In general, an electron will 'rattle around' randomly in a conductor at the Fermi velocity. An applied electric field will give this random motion a small net velocity in one direction. In a semiconductor, the two main carrier scattering mechanisms are ionized impurity scattering and lattice scattering. Because current is proportional to drift velocity, which in a resistive material is, in turn, proportional to the magnitude of an external electric field, Ohm's law can be explained in terms of drift velocity. Drift velocity is expressed in the following equations: where J is the current density, ρ is free charge density, and vavg is the drift velocity, and where μ is the electron mobility and E is the electric field.

Editors Contribution

  1. drift velocity

    Velocity of electron moving in a conductor is called drift velocity.


    Submitted by anonymous on May 16, 2020  

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Numerology

  1. Chaldean Numerology

    The numerical value of drift velocity in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of drift velocity in Pythagorean Numerology is: 6


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"drift velocity." Definitions.net. STANDS4 LLC, 2024. Web. 29 Feb. 2024. <https://www.definitions.net/definition/drift+velocity>.

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