28. Magnetic Fields and Forces
Circular Motion of Charges in Magnetic Fields
4:46 minutes
Problem 27.3
Textbook Question
Textbook Question(II) For a particle of mass m and charge q moving in a circular path in a magnetic field B, (a) show that its kinetic energy is proportional to r² , the square of the radius of curvature of its path. (b) Show that its angular momentum is L=qBr² , around the center of the circle.
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