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An Electron Moving Perpendicular to a Magnetic Field of 2

Question 13

Multiple Choice

An electron moving perpendicular to a magnetic field of 2.2 × 10-2 T moves in a circle of certain radius. If the electron is moving with a speed of 1.5 × 107 m/s, what is the radius of the circle?


A) 1.5 × 10-3 m
B) 2.2 × 10-4 m
C) 2.2 × 10-3m
D) 3.9 × 10-4 m
E) 3.9 × 10-3 m

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