A current of 1 A flows in a wire with n = 6 10^28 m^-3 and area 2 10^-7 m^2. The drift velocity of the electrons is:

  1. 5.21 10^-4 m/s
  2. 5.21 10^-5 m/s
  3. 0.00521 m/s
  4. 0.00104 m/s
Answer

A) 5.21 10^-4 m/s

v = InAq = 5.21 10^-4 m/s — very slow. SLO P-09-E-10 · Application

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