Author Question: The drift speed of electrons that compose current in a flashlight is about A) the speed of sound ... (Read 70 times)

Shelles · **on:** Jul 29, 2018

The drift speed of electrons that compose current in a flashlight is about

A) the speed of sound waves in metal.
B) the speed of light.
C) 1000 cm/s.
D) less than 1 cm/s.
E) any of the above under different conditions.

Question 2

Although electrons in metal move in haphazard directions at many times the speed of sound, the drift speed of electrons that compose electric current is

A) a fraction of a centimeter per second.
B) many centimeters per second.
C) the speed of a sound wave.
D) the speed of light.
E) none of the above