An electron initially moves in a uniform magnetic field with its velocity…
PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism
Problem
An electron initially moves in a uniform magnetic field with its velocity perpendicular to the field lines and describes a circle of radius r. If its kinetic energy is doubled while the magnetic field is kept unchanged, explain quantitatively how the radius of its path will change.