2. Figure 1 shows a particle with a positive charge q and mass m moves through a velocity selector consisting of a magnetic field and an electric field. The electric field points downward, as shown in Figure 1. E +g Figure 1 a) In which direction must point for the magnetic force to oppose the electric force? b) Suppose the electric field is turned off. Now, affected only by the magnetic field, the particle moves in a circular orbit. Beginning with official starting equations, find an expression for the radius of the particle's orbit.

2. Figure 1 shows a particle with a positive charge q and mass m moves through a velocity selector consisting of a magnetic field and an electric field. The electric field points downward, as shown in Figure 1. E +g Figure 1 a) In which direction must point for the magnetic force to oppose the electric force? b) Suppose the electric field is turned off. Now, affected only by the magnetic field, the particle moves in a circular orbit. Beginning with official starting equations, find an expression for the radius of the particle's orbit.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter30: Magnetic Fields And Forces

Section: Chapter Questions

Problem 40PQ

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Similar questions

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