An Electron Enters a Magnetic Field of 0

question 7

Multiple Choice

An electron enters a magnetic field of 0.75 T with a velocity perpendicular to the direction of the field. At what frequency does the electron traverse a circular path? (mel = 9.11 × 10^-31 kg, e = 1.60 × 10^-19 C)

• A) 2.1 × 10¹⁰ Hz
• B) 4.8 × 10^-7 Hz
• C) 2.1 × 10¹⁴ Hz
• D) 4.8 × 10^-11 Hz