Answer: Magnetic fields are very useful in particle

Chapter 20, Problem 75GP

(choose chapter or problem)

Magnetic fields are very useful in particle accelerators for “beam steering”; that is, the magnetic fields can be used to change the direction of the beam of charged particles without altering their speed (Fig. 20–65). Show how this could work with a beam of protons. What happens to protons that are not moving with the speed for which the magnetic field was designed? If the field extends over a region 5.0 cm wide and has a magnitude of 0.41 T, by approximately what angle will a beam of protons traveling at \(2.5 \times 10^{6} \mathrm{~m} / \mathrm{s}\) be bent?

Evacuated tubes, inside of which the protons move with velocity indicated by the green arrows

FIGURE 20–65 Problem 75.

Equation transcription:

Text transcription:

2.5 times 10^{6}{~m} /{s}