Purchase Solution

Electron drift velocity

Not what you're looking for?

Ask Custom Question

Calculate the drift velocity of electrons in a copper wire given the current flowing in it, its diameter and density.

A copper wire 2.5 millimeters in diameter is carrying a current of 10 amperes. Assume one free electron per copper atom and find the magnitude of the drift velocity. [Copper has a density of 8.92 grams/(centimeter)^3, an atomic weight of 63.5 grams/mole, and Avogadro's number is 6.0 x 10^23/mole.

Attachments
Purchase this Solution

Solution Summary

This solution helps calculate the drift velocity of electrons in a copper wire given the current flowing in it, its diameter and density. Step by step solution provided.

Solution Preview

Please see the attachment.

I = 10 A
A B

R = 1.25mm vd

A' B'
vd

Let us consider a free electron in the conductor moving with a drift velocity vd towards right. The electron enters the section AA' and travels a ...

Purchase this Solution


Free BrainMass Quizzes
Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

The Moon

Test your knowledge of moon phases and movement.