A Charged Particle (Mass = M, Charge = Q >

question 9

Multiple Choice

A charged particle (mass = M, charge = Q > 0) moves in a region of space where the magnetic field has a constant magnitude of B and a downward direction. What is the magnetic force on the particle at an instant when it is moving horizontally toward the north with a speed V?

• A) QVB toward the east
• B) Zero
• C) QVB toward the west
• D) QVB upward
• E) QVB toward the south

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