PHYS 1750: SELECTED TOPICS in PHYSICS
LECTURE 32. Magnetism
21.1-2. | Magnets | ||
1. | Poles and orientation | ||
2. | Attraction and repulsion | ||
3. | Ferromagnetism | ||
21.4. | Magnetic Fields | ||
1. | Force on moving charges F = q*v*B*sin θ | ||
2. | Direction: right-hand-rule | ||
3. | Units: Tesla and Gauss (1 T = 10 4 G) | ||
21.5. | Motion of Charged Particles | ||
1. | Circular path perpendicular to B | ||
a. F = q*v*B = m*v 2/r | |||
b. r = m*v/q*B | |||
2. | Constant path parallel to B |