Calculating Electron Velocity in a Magnetic Field

  • Thread starter Thread starter Idea04
  • Start date Start date
  • Tags Tags
    Electron Velocity
Click For Summary

Homework Help Overview

The discussion revolves around determining the speed of an electron in a magnetic field, with participants exploring the relevant equations and concepts related to charged particles in magnetic fields.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • The original poster attempts to use the equation v=E/B to calculate the speed of an electron, while others seek clarification on the correct equations and conditions for charged particles in magnetic fields. Questions arise about the relationship between electric and magnetic fields and the implications of the electron's motion direction.

Discussion Status

Participants are actively questioning the assumptions and definitions related to the problem, with some providing insights into the behavior of charged particles in magnetic fields. There is a lack of consensus on the specific equations needed, and multiple interpretations of the problem context are being explored.

Contextual Notes

Some participants note the importance of specifying the direction of the electron's motion relative to the magnetic field, as well as the need for complete problem statements to facilitate accurate guidance.

Idea04
Messages
194
Reaction score
1
hello. I am stuck on a problem and I would like some help. I want to know how to determine the speed of an electron in a magnetic field. I thought the equation was v=E/B. where E is the electric field of an electron and B is the magnetic field. I have a magnetic field of .000232496073 teslas. But I can't figure out the speed in meters a second.
I would also like to know how fast the electron accelerates and an equation to determine that.
 
Physics news on Phys.org
Please give the complete reference. Otherwise, the speed of a charge particle in a magnetic field remains constant.
 
I would like to know an equation for velocity of a charged particle in a magnetic field and the value of electric field of electron. When I did the equation I ended up with 5.023 x 10^-8. Do you put that as a percentage of the speed of light. I'm just not sure on the math part of it.
 
Write the complete question
 
What is the equation to find the velocity of a charged particle in a magnetic field?
 
Sorry, I am not able to understand your question.

A charged particle may move in a magnetic field with any velocity, the magnitude of the velocity remains constant equal to that with which it is projected in the field.

The direction remains same if initial direction in that of the field. If the initial direction of motion is not parallel to the field it will move on a circular path of a helical path. In any case the speed remains the same.

Now which equation do you want?
 
I'm sorry.
The equation is if the electron is moving into the magnetic field. Not passing through a magnetic field, or perpendicular to the to the field. So if it's moving towards the magnet, and on the opposite side it is being repelled by another magnet.
I apologise if I'm not being too specific. I don't know how to describe any other way.
 
To make it more clear. I need the equation for an electron moving parallel to the magnetic field or in the same direction of the field.
 
there is no equation. if the electron is moving parallel to the field, the field doesn't do anything to it
 
  • #10
what mukundpa was asking was for the exact problem that you had(I'm assuming it's from a homework assignment/such?)
 

Similar threads

Find the equation of this magnetic field
  • · Replies 6 ·
Replies
6
Views
2K
Magnetization of a paramagnetic sphere
  • · Replies 11 ·
Replies
11
Views
2K
Velocity along the cylinder axis
  • · Replies 18 ·
Replies
18
Views
2K
Formula for Electromotive force?
  • · Replies 4 ·
Replies
4
Views
2K
Why is magnetic field B along a straight wire circular not radial?
  • · Replies 14 ·
Replies
14
Views
3K
Electric field in nonmagnetic material given a magnetic field
  • · Replies 1 ·
Replies
1
Views
2K
Electric and Magnetic field acting on an electron
  • · Replies 25 ·
Replies
25
Views
6K
Non-Uniform Magnetic Field Calculations
  • · Replies 9 ·
Replies
9
Views
2K
Electron in a time variable magnetic field
  • · Replies 5 ·
Replies
5
Views
2K
Electric field in a rotating rod in a magnetic field
  • · Replies 3 ·
Replies
3
Views
3K