Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 20?

Washington University in St. Louis - ESE - 101?

Simple Resistive Circuits3Assessment ProblemsAP 3.1Start from the right hand side of the circuit and make series and parallel combinations of the resistors until one equivalent resistor remains. Begin by combining the 6 resistor and the 10 r

Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 241

Washington University in St. Louis - MASE - 20?

Washington University in St. Louis - MASE - 20?

Circuit Variables1Assessment ProblemsAP 1.1 To solve this problem we use a product of ratios to change units from dollars/year to dollars/millisecond. We begin by expressing $10 billion in scientific notation: $100 billion = $100 109 Now we det

Washington University in St. Louis - MASE - 20?

Circuit Elements2Assessment ProblemsAP 2.1[a] To find vg write a KVL equation clockwise around the left loop, starting below the dependent source: ib ib so vg = + vg = 0 4 4 To find ib write a KCL equation at the upper right node. Sum the curr

Washington University in St. Louis - ESE - 101?

4 Techniques of Circuit AnalysisAssessment ProblemsAP 4.1 [a] Redraw the circuit, labeling the reference node and the two node voltages:The two node voltage equations are v1 v1 - v2 v1 + + = 0 -15 + 60 15 5 v2 v2 - v1 5+ + = 0 2 5 Place these equ

Washington University in St. Louis - ESE - 101?

The Operational Amplifier5Assessment ProblemsAP 5.1 [a] This is an inverting amplifier, so vo = (-Rf /Ri )vs = (-80/16)vs , vs ( V) 0.4 2.0 so vo = -5vs3.5 -0.6 -1.6 -2.4vo ( V) -2.0 -10.0 -15.0 3.0 8.0 10.0 Two of the vs values, 3.5 V and -

Washington University in St. Louis - ESE - 101?

6 Inductance, Capacitance, and MutualInductanceAssessment ProblemsAP 6.1 [a] ig = 8e-300t - 8e-1200t A v=L dig = -9.6e-300t + 38.4e-1200t V, dt 38.4e-1200t = 9.6e-300t t > 0+v(0+ ) = -9.6 + 38.4 = 28.8 V [b] v = 0 when or t = (ln 4)/900 = 1.54 m

Washington University in St. Louis - ESE - 101?

7 Response of First-Order RL and RCCircuitsAssessment ProblemsAP 7.1 [a] The circuit for t < 0 is shown below. Note that the inductor behaves like a short circuit, effectively eliminating the 2 resistor from the circuit.First combine the 30 an

Washington University in St. Louis - ESE - 101?

8 Natural and Step Responses of RLCCircuitsAssessment ProblemsAP 8.1 [a] 1 1 = , (2RC)2 LC 1 , [b] = 5000 = 2RC s1,2 = -5000 [c] 1 = 20,000, LC therefore C = 500 nF C = 1 Ftherefore 25 106 - therefore(103 )(106 ) = (-5000 j5000) rad/s 20

Washington University in St. Louis - ESE - 101?

Sinusoidal Steady State Analysis9Assessment ProblemsAP 9.1 [a] V = 170/-40 V [b] 10 sin(1000t + 20 ) = 10 cos(1000t - 70 ) . I = 10/-70 A[c] I = 5/36.87 + 10/-53.13 = 4 + j3 + 6 - j8 = 10 - j5 = 11.18/-26.57 A [d] sin(20,000t + 30 ) = cos(20,0

Washington University in St. Louis - ESE - 101?

10 Sinusoidal Steady State PowerCalculationsAssessment ProblemsAP 10.1 [a] V = 100/- 45 V, I = 20/15 A Therefore 1 P = (100)(20) cos[-45 - (15)] = 500 W, 2 Q = 1000 sin -60 = -866.03 VAR, [b] V = 100/- 45 , I = 20/165 BA ABABBAP = 1000 cos(-

Washington University in St. Louis - ESE - 101?

11 Balanced Three-Phase CircuitsAssessment ProblemsAP 11.1 Make a sketch:We know VAN and wish to find VBC . To do this, write a KVL equation to find VAB , and use the known phase angle relationship between VAB and VBC to find VBC . VAB = VAN + VN

Washington University in St. Louis - ESE - 101?

12 Introduction to the Laplace TransformAssessment ProblemsAP 12.1 [a] cosh t = et + e-t 2 Therefore, 1 -(s-)t [e + e-(s+)t ]dt L{cosh t} = 2 0- = = [b] sinh t = 1 e-(s-)t 2 -(s - ) 1 2 0-+e-(s+)t -(s + ) = s2 0-1 1 + s- s+s - 2et - e

Washington University in St. Louis - ESE - 101?

13 The Laplace Transform in CircuitAnalysisAssessment ProblemsAP 13.1 [a] Y = 1 1 C[s2 + (1/RC)s + (1/LC) + + sC = R sL s 1 = 25 108 LC106 1 = = 80,000; RC (500)(0.025) Therefore Y = [b] -z1,225 10-9 (s2 + 80,000s + 25 108 ) s = -40,000 1

Washington University in St. Louis - ESE - 101?

14Introduction to Frequency-Selective CircuitsAssessment ProblemsAP 14.1 fc = 8 kHz, c = 1 ; RC c = 2fc = 16 krad/s R = 10 k;. C =1 1 = = 1.99 nF c R (16 103 )(104 )AP 14.2 [a] c = 2fc = 2(2000) = 4 krad/s L= 5000 R = = 0.40 H c 4000 4000

Washington University in St. Louis - ESE - 101?

Active Filter Circuits15Assessment ProblemsAP 15.1 H(s) = -(R2 /R1 )s s + (1/R1 C) R1 = 1 , . C = 1 F1 = 1 rad/s; R1 C R2 = 1, R1 .. R2 = R1 = 1 -s s+1Hprototype (s) =AP 15.2 H(s) =-20,000 -(1/R1 C) = s + (1/R2 C) s + 5000 C = 5 F1

Washington University in St. Louis - ESE - 101?

Fourier Series16Assessment ProblemsAP 16.1 av = 1 T 2 T2T /3 0Vm dt +1 TT 2T /3Vm 3T7 dt = Vm = 7 V 9 Vm cos k0 t dt 3ak = = bk = =2T /3 0Vm cos k0 t dt + sin 4k 3 =2T /34Vm 3k0 T 2 T2T /3 06 4k sin k 3T 2T /3Vm sin k

Washington University in St. Louis - ESE - 101?

The Fourier Transform17Assessment ProblemsAP 17.1 [a] F () = =0 - /2(-Ae-jt ) dt + /2 0Ae-jt dtA [2 - ej /2 - e-j /2 ] j ej /2 + e-j /2 2A 1- = j 2 -j2A [1 - cos ] = 2 [b] F () = AP 17.2 f (t) = = = = 1 2 0te-at e-jt dt = 4ejt d +

Cal Poly - ME - 302

Excerpts from this work may be reproduced by instructors for distribution on a not-for-profit basis for testing or instructional purposes only to students enrolled in courses for which the textbook has been adopted. Any other reproduction or translat

LSU - PSYCH - 2001

-WED 10/17-Theories of Intelligence What is intelligence? General Capacity to profit from experience, acquire knowledge, and adapt to changes in environment.Theories Spearman's Two Factor Theory- general intelligence factor *g* o Intelligence test

LSU - PSYCH - 2001

*Friday pewpew 9/28 Drug Altered consciousness Motives for taking drugs has changed o No longer religious purpose or medication Drugs themselves have changed over time. Synthetic drugs appear regularly, with unpredictable consequences DEPRESSANTS Slo

LSU - PSYCH - 2001

States of conscienceness Awareness of cognitive processes, such as sleeping, dreaming, concentrating and making decisions. 1.Waking Consciousness- all thoughts, feelings and perceptions that occur when we are awake and reasonably alert. 2.Altered sta

LSU - PSYCH - 2001

Cones- respond to COLOR differences Fovea- area of retina that is the center of visual field. Visual Adaptation- rods/cones sensitivity changes according to availability of light. -Dark adaptation- increased sensitivity of rods/cones because lower li

LSU - PSYCH - 2001

Psychology 1000crazy Friday 8/31 GET A SCANTRON * *On Blackboard there is the required research documents! DO EEEET Types of research 1. DescriptiveSystematic observations (going into environment and observing) * No causation or prediction* - natural

USC - ANTH - 345

Conflict Resolution and The Undergraduate Student Government.I observed a meeting of the Undergraduate Student Government. The USG is an organization made up of students designed to represent the students collectively to the rest of the larger USC

USC - BISC - 230

John Pandol Delayed Sleep Phase Syndrome and Me My whole life I have been a "night owl". Every night I stay up late, sometimes doing work, but usually just watching television, not wanting to go to bed until much later than everyone else. In high sch

USC - HIST - 106g

John Pandol Judge Dee The difficulty of effectively governing the vast regions China under one empire has been an issue throughout the nation's long history. Chinese emperors wanted to enforce their will throughout the empire, but the size of the emp

ASU - SOC - 101

Gender Inequality- SociologyAmerican Women, 1848 Could not vote Property Could not Could not Could not Could not keep wages draft a will file lawsuits attend college10/11/2007 11:05:00 AMPatriarchy- Social organization in which males dominate fe

ASU - BIO - 101

Ryan Schaefer Lab Report 1 Tues. 9:40 4/4/08Global Warming, Too Hot For Dinosaurs?The fear of global warming is currently a raving issue in our world and media today, but was it an issue in the day of the "dinos"? They might not have drafted a Ky

ASU - SOC - 101

Ryan Schaefer SOC 101 4/7/08 The Truman Show Though Shakespeare was known more for his contributions to literature he spoke a sociological truth when he wrote, " All the world's a stage and all the men and women merely players." Erving Goffman coined

ASU - ENG - 101

Ryan Schaefer Eng 101 Final DraftA Miracle, Not So RareIt was in the antiqued laboratory that Alexander Fleming began his life-saving research. This ancient, out-of-date laboratory was infested with agar plate after agar plate, and it was there t

ASU - ENG - 101

Ryan Schaefer Eng 101 FinalThe New Age In a New LightI was very skeptical and slightly nervous on the drive there. I ran nearly all the possible hypothetical situations I could imagine in my mind. My imagination flashed pictures of possessed peop

Georgia State - CIS - 2010

What is a fully equipped computer that you wear as a piece of clothing? Wearable computer Software designed to improve the performace of teams by supporting the sharing and flow of information is called Collaboration system Which of the following is

Georgia State - CIS - 2010

CIS REVIEW Time available when you need it, when it is Form Accurate, type of media (how rich), media richness, location Organizational dimensions how does information flow, horizontal, vertically, supply chain management Primary and secondary act

Ole Miss - ENGL - 250

Liza Spratlin January, 12, 2008 Tillman English 250 Age Discrimination: DrinkingWho decides eighteen is old enough to go to war, but too young to drink? This answer has been the job of the government for some time now, and this law has done more ha

TCU - BIOL - 30603

Exam 3 Cell Biology Spring 20071. The resolving power of the electron microscope is: (a) 1000 times better than the light microscope; (b) superior to the light microscope because the wavelength of the electron is longer than that of light; (c) allow

TCU - BIOL - 30603

Biology 30603- Cell BiologyExam IIISpring 20041. During DNA replication the parental DNA strand is unwound by a. DNA polymerase b. DNA primase c. DNA helicase d. DNA ligase e. DNA unwindase 2. Okazaki fragments are found on a. The leading stran

TCU - BIOL - 30603

Biology 30603Cell BiologyExam IIISpring 20051. Polycistronic mRNA is found a. Only in eukaryotes b. Only in prokaryotes c. In both prokaryotes and eukaryotes d. Nowhere in nature e. Only in mitochondrial genes 2. Which one of the following mo

Cornell - PSYCH - 2140

1) Discovering Psychology a) Definition & Goals i) Psychology systematic, scientific study of behaviors and mental processes. ii) Goals (1) Describe behavior (2) Explain behavior (3) Predict behavior (4) Control behavior (opt.) b) Modern Approaches

Cornell - PSYCH - 2140

2) Psychology & Science a) Methods for Answering Questions i) Survey method to obtain info. by asking many individuals via a form of communication to answer a fixed set of questions (one-way communication). ii) Case study in-depth analysis of the t

Cornell - PSYCH - 2140

3) Brain's Building Blocks Alzheimer's Disease has initial symptoms of forgetting, repeating things, getting lost, and mild confusion. Over a period of 5-10 years, symptoms worsen and result in profound memory loss, lack of recognition of family & f

Cornell - PSYCH - 2140

4) Incredible Nervous System a) Genes & Evolution i) Zygote cell that results when an egg is fertilized. It contains 46 chromosomes arranged in 23 pairs. ii) Chromosome hair like structure containing tightly coiled strands of deoxyribonucleic acid

Cornell - PSYCH - 2140

5) Sensation a) Eye: Stimulus, Structure, & Function i) Transduction process by which a sense organ transforms physical energy into electrical signals that become neural impulses that are sent to the brain for processing. ii) Adaptation process in

U. Houston - CHEM - 1332

Read Chapter 16 Sections 16.1 and 16.2Exam II April 22Final Exam: May 8th 5 8pmSolid-State Chemistry and MaterialsIonic Bonding (Large Differences in Electronegativity)Tables of Ionic Radii: Pauling (1928), Goldschmidt (1927) `Recent' (more

U. Houston - HIST - 1377H

11- Women and the creation of the American welfare state Important part of progressive movement WCTU (women's Christian temperance union) - Most influential women's organization in the union, Women's suffrage Women's movements decreased in the 1930's

U. Houston - BIOL - 1362

Chapter 1 Biological hierarchy concept o Nucleotides (c g t a) DNA gene protein o Atoms molecules cells tissue organs organ system organism population community ecosystem Properties of living organisms: o Consist of one or more cells o Co

U. Houston - HIST - 1377H

#19 The American and Soviet Cold War Empires In 1947, after WWII, there was a polarization of politics-compelling nations to be drawn to the influence of the Americans or Soviets. They were as close to controlling the world as any other great power h

U. Houston - HIST - 1377H

America Compared #13Rudolph Valentino = always love interest in films 20s beginning of Hollywood film making industry "preserve culture" by allowing Europeans to stray rather AmericansThe 1920sThesis: historians have not created the perfect model

U. Houston - HIST - 1377H

America Compared: South Africa and America South African civil rights activists were not successful South Africa: o Racial minority pushing down racial majority America: o Racial majority pushing down racial minority More success o How the government

U. Houston - HIST - 1377H

America Compared #18Is it possible for a culture like US be racist about Japanese and fear them as superior? Did not put Germans in internment camps b/c they were more white?Diplomacy and WWII (1920-1945)What happened to isolationism? Thesis: in

U. Houston - HIST - 1377H

America Compared #11Women important in progressive movement Britain's gov't more controlling in reform o No role for women to play Women found other ways to influence public policy Well educated women influenced o "reservoir" of educated talented wo

U. Houston - HIST - 1377H

The 70sWhere is this taking us? No hope for the future "me" generation "Southern strategy" o Nixon made a beginning to make it happen o Appeal to all conservatives in the South Scared of segregation And have other conservative values o Woo them in

U. Houston - HIST - 1377H

THE COLD WARCold war-adversarial diplomatic relationship between the US and the Soviet Union following WW2 (after 1945) Cuban Missile Crisis 1961 Vietnam War Almost always a diplomatic hostility First Americans to write about the cold war were part