INTRO ELECTRICITY & MAGNETISM
INTRO ELECTRICITY & MAGNETISM PHYS 260
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This 2 page Class Notes was uploaded by Eleazar Batz on Wednesday September 30, 2015. The Class Notes belongs to PHYS 260 at Western Kentucky University taught by Staff in Fall. Since its upload, it has received 12 views. For similar materials see /class/216684/phys-260-western-kentucky-university in Physics 2 at Western Kentucky University.
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Date Created: 09/30/15
Ph sics 260 Universit Ph sics Exam 1 E uations me 91093818872gtlt10 31 kg m 16726215813x10 27 kg m 16749271613x10 27 kg 8 160217646263x10 19 C so 8854x10 12 CZ Vmz 14m k 8988x109 Nmz C2 LM Coulomb s Law F 2 471O r Potential energy for a dipole U 5 E a 1 Qx Rm ofchar e E7 z g g 471290 62 41232 Line of charge E 1 i 271290 x 1x42 i1 1 R2 42 1 Infinite charged plane E i 280 Charged disk EX i 1 280 Electric ux 1 q A A 7 a mm ltIgtEJEcos dAJELcLAJEdA Torque on 61601130 dipole Gausss Law DE 2 i E dA QM 7pEsm TpXE pzqd 80 Charge distribution Point in Electric Field Ef gy Field 839 l 39 h D39 f E Li mg e pomt c arge q istance r rom q 471 r2 Charge L on surface of conducting E 1 i sphere With radius R OUtSlde Sphere r gt R 471290 r2 Inside sphere r lt R E20 1 xi Infinite Wire charge per unit length 1 Distance r from Wire 271290 r Infinite conducting cylinder with radius 1 i R charge per unit length A OUtSlde Cylinder r gt R 271290 r Inside cylinder r lt R E20 Solid insulating sphere With radius R 1 Q charge Q distributed uniformly through Outside sphere r gt R 7 471 r the volume 0 I 39d h R 1 g nsi e sp ere r lt 471 R3 Infinite sheet of charge with uniform 039 Any pomt i charge per unit area 039 280 Two oppositely charged conducting Any point between 1 plates With surface charge densities 039 E plates 50 and 039 Work done by a conservative force Wan Ua U1 Electric potential energy two point charges U 47 r O go qi If go in presence of other pornt charges U 47 7 o 2 Vi Potential due to a point charge V E 72 go 471O r U 1 qt Potential due to a collection of pornt charges V 7 7 7 40 47 z n 1 dq Potential due to a charge distribution V 7 7 4713980 r Charged conducting sphere V 72 outside rgtR and V 71 inside r 47130 r 47190 R r ln7O Charged conducting cylinder V 2713980 r Q 1 471190 v x2 a2 2 2 Line of charge V anaxa a 1 47590 2 xazx2 a b 1 Potential difference Va Vb IE d J E cos dl Ring of charge V Oppositely charged parallel plates Va Vb Ed EinterrnsVzEX a7V E a7V E a7V E fa7va7vlga7vj P 3x y 3y z dz 3x By dz