Question

drift speed of electrons in an electric conductor is


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Answer 1

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.

We can calculate the drift velocity using the equation I = nqAvd. The current I = 20.0 A is given, and q = –1.60×10–19 C is the charge of an electron. We can calculate the area of a cross-section of the wire using the formula A = πr2 , where r is one-half the given diameter, 2.053 mm.

Answer 2

the answer is average velocity is zero