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Question Checkup 30.1.3: A proton and an electron are moving in a uniform magnetic fi......

A proton and an electron are moving in a uniform magnetic field. Which has the larger cyclotron frequency?

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Since the cyclotron frequency is f=q B / 2 \pi m  [Eq. (30.7)], a smaller mass results in a larger cyclotron frequency for the electron.

f=\frac{q B}{2 \pi  m}         (30.7)

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