An electron of kinetic energy 1.74 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 31.2 cm. Find (a) the electron's speed, (b) the magnetic field magnitude, (c) the circling frequency, and (d) the period of the motion.

An electron of kinetic energy 1.74 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 31.2 cm. Find (a) the electron's speed, (b) the magnetic field magnitude, (c) the circling frequency, and (d) the period of the motion.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 63AP: An electron of kinetic energy 2000 eV passes between parallel plates that are 1.0 an apart and kept...

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Concept explainers

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

An electron of kinetic energy 1.74 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 31.2 cm. Find (a)
the electron's speed, (b) the magnetic field magnitude, (c) the circling frequency, and (d) the period of the motion.
(a) Number
i
Units
(b) Number
i
Units
(c) Number
i
Units
(d) Number
i
Units

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