A Cyclotron with a Magnetic Field of 1

question 63

Multiple Choice

A cyclotron with a magnetic field of 1.2 T is used to accelerate protons. How does the time for the protons to complete one orbit change when the radius of their orbit changes from 10 cm to 22 cm?

• A) It increases by a factor of 2.2.
• B) It decreases by a factor of 2.2.
• C) It increases by a factor of 4.8.
• D) It decreases by a factor of 4.8.
• E) It stays the same.

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