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) 12201ˆ4QQFrrπε=GThere are no monopoles! Force between very long charged rods 012FLdλλ=Force between wires with currents 02iiFμπ=Field creation: Electric Magnetic Electric field from charge (also sometimes called Coulomb’s Law) Alternate version (Gauss’s Law) 1201ˆ4QErr=Genc01EEdAqε=Φ =∫GGivThere are no monopoles! Alternate version (Gauss’s Law for Magnetism) 0BBdA∫GGivThere is nothing sensible to put here Magnetic field from current segment (Law of Biot-Savart) Alternate version (Ampere’s Law) 02ˆ4ds rdBir×=GG0encloopB dsi=∫GG
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This note was uploaded on 05/22/2008 for the course PHYS 125 taught by Professor Iyer during the Spring '08 term at SUNY Geneseo.