An Electron Q = -1

question 35

Multiple Choice

An electron q = -1.6 × 10^-19 C) is traveling east with an instantaneous velocity of 2.5 × 10⁵ m/s when it enters a uniform magnetic field B of 0.45 T that points 35º north of east. What are the magnitude and direction of the force on the electron?

• A) 1.8 × 10^-14 N up
• B) 1.5 × 10^-14 N down
• C) 1.5 × 10^-14 N up
• D) 1.0 × 10^-14 N down
• E) 1.0 × 10^-14 N up

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