Multiple choice

Which of the following particle accelerators uses a donut-shaped ring magnet ?

  1. Cyclotrons

  2. FFAG accelerators

  3. Betatron

  4. Synchrotron
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

These machines, use a donut-shaped ring magnet with a cyclically increasing B field, but accelerate the particles by induction from the increasing magnetic field, as if they were the secondary winding in a transformer, due to the changing magnetic flux through the orbit.

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