An Electron Moves with a Speed of 3

question 15

Multiple Choice

An electron moves with a speed of 3.0 × 10⁴ m/s perpendicular to a uniform magnetic field of 0.40 T. What is the magnitude of the magnetic force on the electron?

• A)4.8 × 10^-14 N
• B)1.9 × 10^-15 N
• C)5 × 10^-20 N
• D)2.2 × 10^-24 N
• E)zero

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