An Electron Enters a Magnetic Field of 0

question 47

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? (The mass of an electron is 9.1 × 10^-31 kg,and the charge of an electron is 1.6 × 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

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