Particle A with charge q and mass mA and particle B with charge 2q and mass mB, are accelerated from rest by a potential difference ΔV. After that, the particles are deflected by a uniform magnetic field into semi-circular paths. The direction of the magnetic field is perpendicular to the velocity of the particles. The radii of the trajectories by the particle A and particle B are R and 2R, respectively. i. Sketch a diagram to show the situation described above. ii. What is ratio of mA to mB?
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