electrons are accelerated from rest through a potential difference of 350 V. The electrons travel along a curved path because of the magnetic force exerted on them, and the radius of the path is measured to be 7.5 cm. If the magnetic field is perpendicular to the beam, a) what is the magnitude of the field? b) what is the angular speed of the electrons?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 73AP: , A proton, deuteron, and an alpha-particle ae all accelerated from rest through the same potential...
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4. In an experiment designed to measure the magnitude of a uniform magnetic field,
electrons are accelerated from rest through a potential difference of 350 V. The electrons
travel along a curved path because of the magnetic force exerted on them, and the radius
of the path is measured to be 7.5 cm. If the magnetic field is perpendicular to the beam,
a) what is the magnitude of the field?
b) what is the angular speed of the electrons?
Transcribed Image Text:4. In an experiment designed to measure the magnitude of a uniform magnetic field, electrons are accelerated from rest through a potential difference of 350 V. The electrons travel along a curved path because of the magnetic force exerted on them, and the radius of the path is measured to be 7.5 cm. If the magnetic field is perpendicular to the beam, a) what is the magnitude of the field? b) what is the angular speed of the electrons?
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