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Problem 27.6: Rank magnetic fields that an electron moves through
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An electron is shot through four regions of constant magnetic field (position is given in centimeters and time is given in seconds). Restart.
- In which direction is the magnetic field in each region?
- Rank the magnitude of the magnetic fields of the four regions, from smallest to greatest.
- How would the path change if we inverted the direction of the magnetic field in every region? Draw the new path of the electron.
- If you wanted to ensure that the particle did not enter Region II, would you increase or decrease the speed of the electron entering Region I? Give a mathematical proof of your answer.
Problem authored by Dwain Desbien and Melissa Dancy.