• Thumbnail for Drift velocity
    In physics, drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field. In general...
    7 KB (975 words) - 03:51, 24 August 2024
  • Thumbnail for Guiding center
    drifts. A simple example of a force drift is a plasma in a gravitational field, e.g. the ionosphere. The drift velocity is v g = m q g × B B 2 {\displaystyle...
    13 KB (2,010 words) - 17:48, 26 December 2024
  • Thumbnail for Stokes drift
    For a pure wave motion in fluid dynamics, the Stokes drift velocity is the average velocity when following a specific fluid parcel as it travels with the...
    17 KB (2,212 words) - 14:26, 22 June 2024
  • light in vacuum. The electrons themselves move much more slowly. See drift velocity and electron mobility. The speed at which energy or signals travel down...
    9 KB (1,301 words) - 04:42, 23 November 2024
  • continuum mechanics the flow velocity in fluid dynamics, also macroscopic velocity in statistical mechanics, or drift velocity in electromagnetism, is a...
    5 KB (639 words) - 07:25, 23 January 2024
  • material, the electrons respond by moving with an average velocity called the drift velocity, v d {\displaystyle v_{d}} . Then the electron mobility μ...
    51 KB (7,202 words) - 18:45, 21 September 2024
  • of charge carriers. The drift velocity is the average velocity of the charge carriers in the drift current. The drift velocity, and resulting current,...
    6 KB (806 words) - 21:29, 28 July 2024
  • Thumbnail for Electric current
    three velocities can be illustrated by an analogy with the three similar velocities associated with gases. (See also hydraulic analogy.) The low drift velocity...
    36 KB (4,338 words) - 15:07, 15 November 2024
  • Wire chamber (redirect from Drift chamber)
    measuring the velocity of the electrons in a gas (drift velocity) there are special drift chambers, velocity drift chambers, which measure the drift time for...
    13 KB (1,352 words) - 21:32, 19 November 2024
  • Thumbnail for Ohm's law
    path due to the collisions, but generally drift in a direction opposing the electric field. The drift velocity then determines the electric current density...
    47 KB (6,044 words) - 02:56, 30 November 2024
  • drift velocity according to the formula v d = μ E , {\displaystyle v_{\text{d}}=\mu E,} where v d {\displaystyle v_{\text{d}}} is the drift velocity (SI...
    7 KB (967 words) - 04:46, 4 June 2023
  • coefficient; μ is the "mobility", or the ratio of the particle's terminal drift velocity to an applied force, μ = vd/F; kB is the Boltzmann constant; T is the...
    14 KB (1,938 words) - 06:03, 12 January 2024
  • Thumbnail for Saturation velocity
    semiconductor is said to be in a state of velocity saturation. Charge carriers normally move at an average drift speed proportional to the electric field...
    6 KB (779 words) - 23:52, 19 November 2024
  • this equation is called the drift–diffusion equation. The word "drift" is related to drift current and drift velocity. The equation is normally written:...
    20 KB (2,734 words) - 18:47, 29 December 2024
  • steady-state drift transport and therefore strong scattering. Child's law was further generalized by Buford R. Conley in 1995 for the case of non-zero velocity at...
    23 KB (3,470 words) - 11:45, 28 October 2024
  • collector. These ions travel at a constant average velocity termed the drift velocity. Such velocity depends on the mean free path between collisions,...
    19 KB (2,175 words) - 18:54, 3 January 2025
  • Thumbnail for Ion trap
    ω c {\displaystyle \omega _{c}} and a drift velocity in the y {\displaystyle y} -direction. The drift velocity is perpendicular to the direction of the...
    20 KB (2,685 words) - 18:40, 16 December 2024
  • Thumbnail for Current density
    t) is the current density vector; vd(r, t) is the particles' average drift velocity (SI unit: m∙s−1); ρ ( r , t ) = q n ( r , t ) {\displaystyle \rho (\mathbf...
    23 KB (2,812 words) - 18:06, 6 January 2025
  • is the mean flow velocity in an Eulerian reference frame and u S {\displaystyle {\boldsymbol {u}}_{S}} is the Stokes drift velocity – provided both are...
    4 KB (558 words) - 21:43, 28 July 2024
  • electric field; Formally, it is [A] multiplied by the drift velocity of the ions, with the drift velocity expressed using the Stokes–Einstein relation applied...
    13 KB (2,136 words) - 19:03, 20 October 2024
  • Thumbnail for Iceberg
    Iceberg (section Drift)
    {F}}_{\text{s}}+{\vec {F}}_{\text{p}},} where m is the iceberg mass, v the drift velocity, and the variables f, k, and F correspond to the Coriolis force, the...
    43 KB (4,515 words) - 21:55, 14 December 2024
  • resulting electric field causes electrons to drift towards the positive terminal. The actual drift velocity of electrons is typically small, on the order...
    75 KB (7,984 words) - 07:45, 6 December 2024
  • flow through wave–current interaction, specifically between the Stokes drift velocity and the mean-flow vorticity. The CL vortex force is used to explain...
    5 KB (556 words) - 12:14, 30 September 2022
  • Thumbnail for Wiedemann–Franz law
    limits their free flight. This establishes an average or drift velocity Vd. The drift velocity is related to the average scattering time as becomes evident...
    15 KB (2,068 words) - 12:28, 9 December 2024
  • Thumbnail for Compton generator
    result of the experiment is that the water moves with a certain constant drift velocity around the tube after the doughnut has been rotated. If there were no...
    7 KB (786 words) - 15:20, 26 September 2023
  • mobility. The drop in drift velocity at high electric fields due to intervalley scattering is small in comparison to high saturation velocity that results from...
    29 KB (2,915 words) - 03:34, 7 December 2024
  • Thumbnail for Electric charge
    wires, the direction of the conventional current is opposite to the drift velocity of the actual charge carriers; i.e., the electrons. This is a source...
    40 KB (4,998 words) - 20:48, 30 December 2024
  • Thumbnail for Gunn diode
    higher than those in the usual conduction band, so the mobility or drift velocity of the electrons in that band is lower. As the forward voltage increases...
    14 KB (1,824 words) - 11:21, 21 September 2024
  • Thumbnail for Hydraulic analogy
    resembling spigots and buckets. Fluid velocity and resistance of metals: As with water hoses, the carrier drift velocity in conductors is directly proportional...
    22 KB (2,848 words) - 11:15, 24 July 2024
  • Thumbnail for Hall effect
    electrical force due to the buildup of charges. The vx term is the drift velocity of the current which is assumed at this point to be holes by convention...
    33 KB (3,789 words) - 07:41, 22 November 2024