Electron Drift in Copper Wire: 40m in 0.020mm/s = Days?

Click For Summary
SUMMARY

The drift speed of electrons in a copper wire is approximately 0.020 mm/s. Given a total wire length of 40 meters, it would take a single electron approximately 69.44 days to drift from the negative terminal of the battery to the positive terminal and back. The relationship between distance, time, and speed is defined by the equation: time = distance/speed, which is crucial for calculating the time taken for electron drift in this scenario.

PREREQUISITES
  • Understanding of basic electrical concepts, including voltage and current.
  • Familiarity with the properties of copper as a conductor.
  • Knowledge of the equation relating distance, time, and speed.
  • Basic comprehension of electron flow in conductive materials.
NEXT STEPS
  • Research the properties of copper wire and its conductivity.
  • Learn about the relationship between drift velocity and electric current.
  • Explore the concept of electron mobility in different materials.
  • Study the effects of temperature on electron drift speed in conductors.
USEFUL FOR

Physics students, electrical engineers, and anyone interested in understanding electron movement in conductive materials.

MegaEriable
Messages
1
Reaction score
0
The drift speed of the electrons in a copper wire running from a battery to a light bulb and back is approximately 0.020 mm/s. The battery is at the front of the classroom and wire runs out of a perimeter of the room to the light bulb. The total length of wire is 40meters. How long would it take a single electron to drift from the negative terminal of the battery and back to the positive terminal? Express your answers in days as well.
 
Physics news on Phys.org
Do you know the equation that relates distance travelled, time and speed?
 

Similar threads

  • · Replies 6 ·
Replies
6
Views
3K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 4 ·
Replies
4
Views
6K
Replies
1
Views
2K
  • · Replies 31 ·
2
Replies
31
Views
8K
  • · Replies 2 ·
Replies
2
Views
9K
Replies
6
Views
3K
Replies
1
Views
10K
Replies
19
Views
5K