SUNY Geneseo, Department of Physics and Astronomy Physics 125: Analytical Physics II Summary of ElectroMagnetism Forces: Electric Magnetic Force between point charges (Coulomb’s Law) 12201ˆ4Q QFrrπε=GThere are no monopoles! Force between very long charged rods 12012FLdλ λπε=Force between wires with currents 01 22i iFLdμπ=Field creation: Electric Magnetic Electric field from charge (also sometimes called Coulomb’s Law) Alternate version (Gauss’s Law) 1201ˆ4QErrπε=Genc01EE dAqε= Φ=∫GGivThere are no monopoles! Alternate version (Gauss’s Law for Magnetism) 0BB dA= Φ=∫GGivThere is nothing sensible to put here Magnetic field from current segment (Law of Biot-Savart) Alternate version (Ampere’s Law) 02ˆ4dsrdBirμπ×=GG
This is the end of the preview.
access the rest of the document.