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UCLA - ASIAN AM - 187C
AA187C Week 4 Lecture 11/29/2008 11:10:00 AMPetition of 1902 Written by 32 politically elite Chamorros, and referring to the navy government in Guam, the petition read in part: "A military government at best is distasteful and highly repugnant t
UCLA - ASIAN AM - 187C
AA187C Week 3 Lecture 21/24/2008 11:10:00 AMTeam Luis: What does the author mean by "We kill ourselves slowly. Everyday, every Sunday. Each prayer to Jesus means a nail in our own coffin. Each time we switch something ON (radio, lamps, TV, ignit
Berkeley - DS - 10
Garkay Wong 18616594 DS 10 Glenna Anton Commodity Chain: Violence, Pollution, and Cell PhonesColumbite-tantalite (known as Coltan for short) is one of the world's most coveted raw materials. Refining coltan produces a heat-resistant metal powder ca
Grand Valley State - SOC - 280
Short Answer: (must be able to define and give examples)Social Deviance (This is a sociological principle that the second exam, first short answer, will ask for) Deviance: anything that does not conform to social expectations, thus it's socially cre
Grand Valley State - PSY - 300
Psy 300 Exam 2 Review Chapter 6 Probability: the probability of A = number of outcomes classified as A Total number of possible outcomes Ex. The probability of selecting the king of hearts from a card deck is 1/52 The probability of selecting an ace
Grand Valley State - CTH - 101
2nd Lecture CTH 101 W04 1/23/04 Theatre leaves no permanent record so we're not sure really when it started. There are dramatic scripts that date back more than 4,500-5,330 years (2500-3330 B.C), known beginning of dramatic art. Derives from ancient
Grand Valley State - CTH - 101
3rd Lecture CTH 101 W'04 Chorus in Greek theatre: 1) comments on what the main actors are doing sets the tone for the society's emotions, 2) serves to push the play forward announcing visitors/messengers, for example About Moliere French neoclassi
Reinhardt - SOC - 101
Prisons have some of the vastest societies to be viewed. They obtain a piece of every one of the sociological perspectives. One of the perspectives includes the Conflict Theory: prisons are a place of conflict and conflict resolution. The inmates in
Reinhardt - SOC - 101
College Sports in Society Society being dependant on groups to stay at a stable position is whatGolden 1functionalism is. Aguste Comte perceived society as being similar to organs in a person's body that are needed to make the body function prope
Purdue - PHYS - 272
PHYSICS 272 Electric & Magnetic InteractionsProf. Andrew Hirsch Hirsch@purdue.edu Room: 178, Phone: 42218Course ContentThis course deals with electric and magnetic interactions, which are central to the structure of matter, to chemical and biolog
Purdue - PHYS - 272
The Coulomb Force ! ! 1 Q1Q2 1 Q1Q2 ^ F =F= F= r 2 2 4!" 0 r 4!" 0 r0 = permittivity constantF12 r+2r+12+1F12Force repulsiveForce attractive The force exerted by one point charge on another acts along line joining the charges.
Purdue - PHYS - 272
Electric FieldPoint charge: E= 1 q1 ^ r 4 0 r 2Uniformly charged sphere: Esphere = Esphere = 0 E= E=1 Q ^ r 2 4 0 rfor r>R (outside) for r<R (inside)Dipole:for r>s :ys -q1 2qs , 0, 0 3 4 0 r -1 qs , 0, 0 3 4 0 r -1 qs , 0, 0 3 4
Purdue - PHYS - 272
E=1 Q ^ r 2 4 0 rExercise 2Two uniformly charged plastic spherical shells. Find electric field at 3, 7 and 10 cm from the center 3 cm: E=E=07 cm:-9 1 -25 10 C ^ ^ r = -4.6 10 4 r N/C 2 4 0 ( 0.07m )() 10 cm: E =1 Q1 1 Q2 1 Q1 +
Purdue - PHYS - 272
Chapter 23Classical Theory of Electromagnetic RadiationMaxwell's EquationsFour equations: Gauss's law for electricity Gauss's law for magnetism! ^ ! E # ndA ="qinside! ! d $ ! Faraday's law ^ E ! dl = # % " B ! ndA & " ' dt ! ! Ampere's
Purdue - PHYS - 272
Polarization of Atoms+ Force due to E created by E positive charge shifts electron cloud and nucleus in opposite directions: electric dipole. An atom is said to be polarized when its electron cloud has been shifted by the influence of an external ch
Purdue - PHYS - 272
Chapter 15Electric Field of Distributed ChargesDistributed Charges(x ', y', z ') E(x, y, z) =1 Qi r 2 r^i 4 0 i =1 iN(x ', y', z ')(x, y, z) E(x, y, z) =1 4 0^ (x ', y', z ')rdx 'dy'dz ' 2 rUniformly Charged Thin RodLength:
Reinhardt - HIST - 2111
In the beginning of the escapade the thought of new cultures were in mind, specifically, the wonder of what was in store for the Spaniards. Christopher Columbus and Hernan Cortes were sent out to discover new Eastern lands. In their search they found
Purdue - PHYS - 272
A Uniformly Charged DiskAlong z axis1 Q z 1 - Ez = 2 2 0 R R2 + z 2 () 1/2 1/2 A = R2(Q / A) z 1 - Ez = 2 0 R2 + z 2 ()Approximations: Close to the disk (0 < z < R) Very close to disk (0 < z < R) If z/R is extremely
Purdue - PHYS - 272
Spherical Shell of ChargeField inside:E=01 Q ^ r 2 4 0 r Field outside: E =(like point charge)A Solid Sphere of ChargeWhat if charges are distributed throughout an object? Step 1: Cut up the charge into pieces For each sphere: outside:
Purdue - PHYS - 272
Potential EnergyIntroduced the concept of electric field E to deal with forces Introduced electric potential V to deal with work and energy Electric potential: electric potential energy per unit charge Potential energy is associated with pairs of in
Purdue - PHYS - 272
Example: Different Paths near Point Charge1. Along straight radial path: rf ri V = - E dlfV = - rirfi1 q ^ r dr 2 4 0 rrf+q1 1 V = - q 2 dr 4 0 ri r 1 V = - 4 0 1 f q - r rir E=1 q ^ r 2 4 0 r1 1 1 V = q - = V f -
Purdue - PHYS - 272
Potential Difference in a Capacitor with Insulator V = - E dlB AE plates(Q / A ) =0sK (Q / A ) s V = Es = K0 Vvacuum Vinsulator = KV = Es =E platessPotential Difference in Partially Filled Capacitor-Q d +Q K V = - E dlB A
Berkeley - DS - 10
Garkay Wong SID:18616594 GSI: Glenna Anton DS 10 Country Profile: Algeria The territory which is now recognized as the country of Algeria has a history of being conquered. It is estimated that the natives of Algeria have lived there since at least 6,
Purdue - PHYS - 272
Magnetic FieldA compass needle turns and points in a particular direction . there is something which interacts with it Magnetic field (B): whatever it is that is detected by a compassCompass: similar to electric dipole Magnetic fields are produced
Purdue - PHYS - 272
Biot-Savart Law for a Single Charge Electric field of a point charge: E = 1 q ^ r 2 4 0 rMoving charge makes a curly magnetic field: B units: T (tesla) = kg s-2A-1 0 qv r ^ B= 4 r 2 0 T m2 = 10-7 4 C m/sJean-Baptiste Biot (1774-1862) Felix
Purdue - PHYS - 272
Magnetic Dipole Moment0 2R 2 I far from coil: Bz = 4 z 3 0 2 Bz = 4 z 3 magnetic dipole moment: = R 2 I = AI1 2p far from dipole: E z = 4 0 z 3 p = sq - vector in the direction of BExerciseWhat is the magnetic dipole moment of a 3000-turn
Berkeley - DS - 10
DS 10 Midterm Study Guide Vocab: Acronyms GNP- value of goods and services produced by the citizens of a country GDP- value of goods and services produced within a country (including productions by foreigners within that country) PPP-purchasing power
Purdue - PHYS - 272
Chapter 18A Microscopic View of Electric CircuitsCurrent in a CircuitA microscopic view of electric circuits: Are charges used up in a circuit? How is it possible to create and maintain a nonzero electric field inside a wire? What is the role
Purdue - PHYS - 272
The Drude ModeleEt Average `drift' speed: v = meFor constant temperature v ~ Et - average time between collisionsv = uE ,u=e t meu mobility of an electron Electron current: i = nAvi = nAuEE and Drift SpeedIn steady state current
Purdue - PHYS - 272
Field and Current in a Simple CircuitRound-trip potential difference:Vbatt + Vwire = 0emf + ( - EL) = 0E=emf L emf LI = enAuE = enAuField and Current in a Simple CircuitRound-trip potential difference: Path 1Vbatt + V1 + V3 = 0 emf + ( -
Purdue - PHYS - 272
Chapter 21Patterns of Fields in Space Electric flux Gauss's law Ampere's law Maxwell equationsFundamentalsElectrostatic phenomena Coulomb law: F = 1 Q1Q2 ^ r 2 4 0 rMagnetic phenomena 0 qv r ^ Biot-Savart law: B = 4 r 2 Magnetic for
Purdue - PHYS - 272
Chapter 21Patterns of Fields in Space Electric flux Gauss's law Ampere's law Maxwell equationsFundamentalsElectrostatic phenomenar Coulomb law: F = 1 Q1Q2 ^ r 2 4!" 0 rMagnetic phenomena r r 0 qv ! r ^ Biot-Savart law: B = 4" r 2 r r r Ma
Purdue - PHYS - 272
Momentum of E/M Radiation E field starts motion Moving charge in magnetic field: ! ! ! Fmag = qv ! B What if there is negative charge? ! ! ! Fmag = " q v ! B `Radiation pressure': What is its magnitude? Average speed: v/2 v vE Fmag = q B = q 2 2 c
Purdue - PHYS - 272
Maxwell's EquationsFour equations (integral form) : Gauss's law! ^ ! E # ndA ="qinside! ^ Gauss's law for magnetism " B ! ndA = 0Faraday's law Ampere-Maxwell law$0! ! d ! ^ ! E " dl = # dt ! B " ndA ! ! d' elec # & * B ( dl = 0 $) I ins
Purdue - PHYS - 272
Magnetic Torque on a Magnetic Dipole MomentA current carrying loop has a tendency to twist in magnetic field Compass needle: collection of atomic current loops Fm = Il B = IA = IhwMagnetic Torque: Quantitative Analysis = IhwTorque () = di
Purdue - PHYS - 272
Reference Frame 0 qv r ^ B= =0 2 4 rAny magnetic field? 0 qv r ^ B= 0 2 4 rcharged tapeMagnetic Forces in Moving Reference FramesTwo protons +e 1 r Electric force: F21,e = q2 E1 =1 e2 ^ r 2 4 0 rvF21,m 2 B1 +e v E1 F21,eMagnet
Purdue - PHYS - 272
Chapter 22Faraday's LawElectric and Magnetic FieldsElectric and magnetic fields are interconnected Moving charges make magnetic fields Magnetic fields affect moving charges Electric and magnetic fields depend on reference frame Change reference
Purdue - PHYS - 272
Effect of E/M Radiation on Matter1. Radiative pressure too small to be observed in most cases 2. E/M fields can affect charged particles: nucleus and electronsBoth fields (E and M) are always present they `feed' each other But usually only elect
Purdue - PHYS - 272
Electric FluxFlux through small area: r ^ flux ~ E " n!A Definition of electric flux on a surface: r ^ ! E # n"Asurfacesurfacer ^ ! E # n"Ar ^ ! E " ndA r r ! E " dAr dAr r electric flux on a closed surface = " E ! dAGauss's Lawsurface
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _Chemistry 115 EXAM II Monday, 6:30 PM March 4, 2002 125Directions: 1. 2. Each student is responsible for following directions. Read this page carefully. Write your name and other requested information
Purdue - PHYS - 272
Faraday's Law and Motional EMF`Magnetic force' approach: ! ! ! ! Ftot = qE + qv ! BE = vB! emf = vB! LIUse Faraday law:emf = " d! mag dt!" mag = B# !A = B" Lv!temf = lim #$ mag #t#t "0= vB! LIFaraday's Law and Generatoremf = " d! ma
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _Chemistry 115 EXAM II Wednesday, 8:30 PM March 5, 2003 120Directions: 1. 2. 3. 4. Each student is responsible for following directions. Read this page carefully. Write your name and other requested in
Purdue - PHYS - 272
Chapter 19Capacitors, Resistors and BatteriesCapacitor: Charging and DischargingExperiment 1 Experiment 2Capacitor: Construction and SymbolsThe capacitor in your set is similar to a large two-disk capacitor s There is no connecting path throu
Purdue - PHYS - 272
Macroscopic Analysis of CircuitsMicroscopic treatment: insight into the fundamental physical mechanism of circuit behavior. Not easy to measure directly E, u, Q, v. It is easier to measure conventional current, potential difference macroscopic para
Purdue - PHYS - 272
Hall Effect Fm = qv B Fe + FB = 0 eE e = - ev BEe = v BE v B ? +hV>0V = Ee h = v BhHall Effect for Opposite Charges Fm = qv BE v B >0 + V>0EvB ? + V<0Hall EffectBy measuring the Hall effect for a particular mater
Purdue - PHYS - 272
Ammeters, Voltmeters and OhmmetersAmmeter: measures current I Voltmeter: measures voltage difference V Ohmmeter: measures resistance RUsing an AmmeterConnecting ammeter: Conventional current must flow into the `+' terminal and emerge from the `-
Purdue - CHEM - 115
Name _ Section _ Social Security # _ Instructor _ Directions: 1. 2. 3. 4. 5. 6. 7.Chemistry 115 EXAM II Wednesday, 6:30 PM March 10, 2004 Total Points = 120Each student is responsible for following directions. Read this page carefully. Write your
Purdue - CHEM - 115
Name _ Section _ Social Security # _ Instructor _ Directions: 1. 2. 3. 4. 5. 6. 7.Chemistry 115 EXAM II Thursday, 6:30 PM March 3, 2005 Total Points = 120Each student is responsible for following directions. Read this page carefully. Write your n
Purdue - PHYS - 272
RC CircuitsCurrent in an RC circuitI= emf -t / RC e RCharge in an RC circuitQ = C ( emf ) 1 - e-t / RC Voltage in an RC circuitV = ( emf ) 1 - e-t / RC The RC Time ConstantCurrent in an RC circuitemf -t / RC I= e RWhen time t = RC
Purdue - CHEM - 115
Name _CRIB_ Section _ TA _Chemistry 115 EXAM III Wednesday, 8:30 PM April 12, 2006 Total Points = 120Directions: 1. 2. Each student is responsible for following directions. Read this page carefully. Write your name and other requested information
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _Chemistry 115 EXAM III Wednesday, 6:30 PM April 16, 2003 120Directions: 1. 2. Each student is responsible for following directions. Read this page carefully. Write your name and other requested inform
Purdue - CHEM - 115
Name _ Section _ TA _Chemistry 115 FINAL EXAM Thursday, 7:00 PM May 4, 2006 Total Points = 200Directions: 1. 2. 3. 4. 5. 6. 7. Each student is responsible for following directions. Read this page carefully. Write your name and other requested inf
Purdue - CHEM - 115
Name _CRIB_ Section _ Social Security # _ Instructor _ Directions: 1. 2. 3. 4. 5. 6. 7.Chemistry 115 FINAL EXAM Thursday, 1:00 PM May 5, 2005 Total Points = 250Each student is responsible for following directions. Read this page carefully. Write
Purdue - CHEM - 115
Name _ Chemistry 115 Section _ Social Security # _ Instructor _ Directions: 1. 2. 3. 4. 5. 6. 7. Each student is responsible for following directions. Read this page carefully. Write your name and other requested information on this page and on the s
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _Chemistry 115 Final Exam Monday, 7:00 PM April 29, 2002 200Directions: 1. 2. 3. 4. 5. 6. 7. Each student is responsible for following directions. Read this page carefully. Write your name and other re
Purdue - CHEM - 115
Spring 2002 Exam 3 Crib 1. B 2. A 3. A 4. E 5. E 6. C 7. C 8. A 9. D 10.A 11. B 12. C 13. A 14. E 15. E 16. D 17. D 18. C 19. B 20. B 21. E
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _ Directions: 1. 2. 3. 4. 5. 6. 7.Chemistry 115 EXAM III Wednesday, 8:30 PM April 14, 2004 Total Points = 120Each student is responsible for following directions. Read this page carefully. Write your n
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _Chemistry 115 EXAM III Monday, 6:30 PM April 8, 2002 125Directions: 1. 2. Each student is responsible for following directions. Read this page carefully. Write your name and other requested informatio
Purdue - CHEM - 115
Name _ Section _ Student I.D. # _ Instructor _ Directions: 1. 2. 3. 4. 5. 6. 7.Chemistry 115 FINAL EXAM Tuesday, 8:00 AM May 6, 2003 250Each student is responsible for following directions. Read this page carefully. Write your name and other requ