The Radius of the Orbit of an Electron Moving with a Speed

question 20

Multiple Choice

The radius of the orbit of an electron moving with a speed of 10⁸ m/s perpendicular to a magnetic field of 5.0 $\times$ 10^-3 T is approximately

• A)1.1 m
• B)0.11 m
• C)0.34 m
• D)0.011 m
• E)8.9 m

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