An electron is accelerated from rest through potential difference V and then enters a region of uniform magnetic field, where it undergoes uniform circular motion. The figure gives the radius r of that motion versus V¹/2. The vertical axis scale is set by rs= 4.0 mm, and the horizontal axis scale is set by V-¹/²= 32.9 V₁/2. What is the magnitude of the magnetic field? (ww) 0 VI/2 V1/2 (¹/2)

An electron is accelerated from rest through potential difference V and then enters a region of uniform magnetic field, where it undergoes uniform circular motion. The figure gives the radius r of that motion versus V¹/2. The vertical axis scale is set by rs= 4.0 mm, and the horizontal axis scale is set by V-¹/²= 32.9 V₁/2. What is the magnitude of the magnetic field? (ww) 0 VI/2 V1/2 (¹/2)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

Chapter 28, Problem 020
An electron is accelerated from rest through potential difference V and
then enters a region of uniform magnetic field, where it undergoes
uniform circular motion. The figure gives the radius r of that motion
versus V¹/2. The vertical axis scale is set by rs= 4.0 mm, and the
horizontal axis scale is set by V¹/2= 32.9 V¹/2. What is the magnitude of
the magnetic field?
r (mm)
VI/2
V¹/2 (¹/2)

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