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

question 42

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 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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