Chap 22-24 Electric field First circular accelerator in the world
First circular accelerator in the world Chap 22-24 Electric field
Easy chair Charged hair
Easy chair Charged hair
Electricity and Magnetism Electric forces hold atoms and molecules together Electricity controls our thinking, feeling, muscles and metabolIc processes. Electricity and magnetism underpin much of our current technology(e.g. computers). Electricity and magnetism are linked on a fundamental level
Electricity and Magnetism ➢ Electric forces hold atoms and molecules together. ➢ Electricity controls our thinking, feeling, muscles and metabolic processes. ➢ Electricity and magnetism underpin much of our current technology (e.g. computers). ➢ Electricity and magnetism are linked on a fundamental level
Key terms electric dipole closed surface electric flux electric charge surface integral electrostatics Gauss's law electron Gaussian surface proton Faraday' s icepail neutron experiment nucleus electric potential energy positive ion electric potential negative ion voltage ionization electron volt conductor equi potential surface insulator gradient point charge cathode-ray tube
electric charge electrostatics electron proton neutron nucleus positive ion negative ion ionization conductor insulator point charge Key terms: electric dipole closed surface electric flux surface integral Gauss’s Law Gaussian surface Faraday’s icepail experiment electric potential energy electric potential voltage electron volt equipotential surface gradient cathode-ray tube
§1 charges and coulomb’slaw 1.1 charges 1)Negative and positive 2) quantified(millikan) ne e=16×10C Fraction charge±e±=e 3 3 3)conservation(Franklin) 4)Invariance of charges
§1 charges and couloumb’s law 1. 1 charges 1) Negative and positive 2) quantified (millikan) e 1.6 10 C −19 Q = ne = Fraction charge e 3 1 e 3 2 3) conservation (Franklin) 4) Invariance of charges