Physics, 30.01.2022 22:30, unicornqueen30
A cylinder of length l, has a constant magnetic field B inside it, which is perpendicular to the cylinder axis. An electron of charge -e and mass m enters the cylinder with velocity v along the cylinder axis. If the radius of the cylinder is r = mveB, which of the following ensures that the electron leaves the cylinder with a velocity along the cylinder axis?
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