When current is flowing in an ordinary metal wire,the magnitude of the average velocity of the electrons is closest to
A)10 m/s.
B)the speed of light.
C)1 mm/s.
D)1 km/s.
E)1 m/s.

Question

Quizplus · Accepted Answer

The magnitude of the average velocity of electrons in a metal conductor under typical conditions is closest to 1 mm/s. This slow drift speed results from the electrons' random thermal motion being slightly biased in the direction of the electric field applied across the conductor.

When Current Is Flowing in an Ordinary Metal Wire,the Magnitude