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Question

Define the drift velocity of electrons in a conductor?


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Solution

  • It is defined as an average velocity attained by the charged particles (electrons) in a material due to an electric field.
  • The drift velocity can be calculated by using the following formula: I=nAvQ

where,

  • v=drift velocity of electrons
  • n= number of electrons
  • A= area of cross-section of a conductor
  • Q= charge of an electron
  • I= current flowing through the conductor.

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