Two Charged Particles of Equal Mass Are Traveling in Circular

question 37

Multiple Choice

Two charged particles of equal mass are traveling in circular orbits in a region of uniform, constant magnetic field as shown. The particles are observed to move in circular paths of radii R₁ and R₂ with speeds v₁ and v₂, respectively. As the figure shows, the path of particle 2 has a smaller radius than that of particle 1. Which one of the following statements about this system is false?

• A)|v₁/Q₁| < |v₂/Q₂|
• B)Particle 2 carries a positive charge.
• C)Particle 1 carries a negative charge.
• D)Neither particle gains energy from the magnetic field.
• E)The particle velocities have no components parallel to the magnetic field.

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