How does the radius of the trajectory of an electron moving in a uniform magnetic field perpendicular
| February 14, 2021 | education
How does the radius of the trajectory of an electron moving in a uniform magnetic field perpendicular to the induction vector change with a decrease in its kinetic energy by 4 times?
In this case, the Lorentz force is the docentral force. The formula will be appropriate here: q * v * B = (m * v ^ 2) / R, where R = m * v / (q * B).
Everything is constant, except for speed. During the decrease in kinetic energy, it decreased by half. From which it follows that the radius is also halved.
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