An Electron Enters a Magnetic Field of with a Velocity

question 14

Multiple Choice

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

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

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