A cyclotron is a device for accelerating charged particles...

Name: Problem 33, Chapter 24: Conceptual Physics
Uploaded: 2021-10-10T07:44:24-08:00
Duration: 2 min 45 s
Channel: Prabhu Ramji
Description: A cyclotron is a device for accelerating charged particles to high speed as they follow an expanding spiral path. The charged particles are subjected to both an electric field and a magnetic field. One of these fields increases the speed of the charged particles, and the other field causes them to follow a curved path. Which field performs which function?

A cyclotron is a device for accelerating charged particles to high speed as they follow an expanding spiral path. The charged particles are subjected to both an electric field and a magnetic field. One of these fields increases the speed of the charged particles, and the other field causes them to follow a curved path. Which field performs which function?

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Key Concepts

Charged Particles

Charged particles, such as protons or electrons, respond to electric and magnetic fields by experiencing forces described by the Lorentz force. Their acceleration and deflection under these forces are fundamental to understanding how devices like cyclotrons and other particle accelerators operate.

Lorentz Force

The Lorentz force is the force experienced by a charged particle in the presence of electric and magnetic fields. It is the vector sum of the forces due to the electric field (which accelerates the particle) and the magnetic field (which curves the particle's path), playing a crucial role in the dynamics of charged particles in electromagnetic fields.

Electric Field

An electric field is a region around a charged object where other charged particles experience a force due to electrostatic interactions. In particle accelerators, an electric field is used to increase the speed of charged particles by doing work on them, thereby boosting their kinetic energy.

Magnetic Field

A magnetic field is produced by moving charges or magnets and exerts a force on moving charged particles perpendicular to their velocity. This force does not change the kinetic energy of the particles but alters their direction, causing them to follow a curved or circular trajectory.

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