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PH145ProblemSet07Spring2012_Solutions

Course: PH 145 , Spring 2012
School: Colby
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Colby - PH - 145
Advanced Reading Questions: Circuits Experiment1. Draw a circuit diagram of two 50 identical light bulbs in series across a power supply providing 12 V. Use the equivalent resistance, Rs , of the two bulbs in series to nd the current owingthrough the ci
Colby - PH - 145
Advance Reading Questions: Resistance and Resistivity Experiment1. Suppose a resistor is measured to conduct 100 mA current when there are 20 volts across it.What is its resistance in ?2. Much of the wire used to wire circuits is # 22 gauge copper wire
Colby - PH - 145
PH 145Colby CollegeFoundations of Electromagnetism and OpticsSample Midterm Examination #1The following test will be collected after one hour. The test is closed book and closed notes.Calculators are allowed. No Cell Phones are allowed in the exam ro
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PH 145Colby CollegeFoundations of Electromagnetism and OpticsExam #1 EquationsCoulombs Law and Superposition:F12 =1 q1 q2r1224o r12F1,net = F12 + F13 + F14 + . + F1nElectric Fields:FqoE=E point =charge1qr4o r 2Calculating Electric Fiel
Colby - PH - 145
Advanced Reading Questions: Electric Field Plotting Experiment1. In the diagram below, three point charges, with the relative magnitudes shown, lie in a plane.Sketch (and label) some of the electric eld lines, and cross sections in the plane of the diag
Colby - PH - 145
Advance Reading Questions: Electrostatics Lab1. Glass and silk are rubbed together, producing a net positive charge on one object and a netnegative charge on the other. Where is the excess positive charge?2. Given a rod and a piece of cloth of unknown
Colby - PH - 145
PH 145Colby CollegeFoundations of Electromagnetism and OpticsProblem Set 1Due: Monday, February 6, 2012Reading: Halliday, Resnick and Walker, Sections 21-1 through 21-6, and 22-1 through 22-5.1. Halliday, Resnick and Walker, Chapter #21, Question 4.
Colby - PH - 145
PH 145Spring 2012Laboratory SyllabusWeek 1 (Feb. 1 - Feb. 3)No laboratoryWeek 2 (Feb. 6 - Feb. 10)Measurement of the speed of lightWeek 3 (Feb. 13 - Feb. 17)ElectrostaticsWeek 4 (Feb. 20 - Feb. 24)Electric eld plottingWeek 5 (Feb. 27 - Mar. 2)
Colby - PH - 145
PH 145Spring 2012Laboratory General InformationI. Goals and ObjectivesIn the laboratory, you will look at applications of many of the physics principles you will be learningabout in the PH145 class. We will verify physical laws (e.g., Kirchoffs rules
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PH 145Spring 2012Foundations of Electromagnetism and OpticsSyllabusWeekClass DateSubject(Reading assignments from Halliday, Resnick and Walker)(1)1Feb. 1Introduction2Feb. 3Electric charge and Coulombs lawRead: Sections 21-1 through 21-63Fe
Colby - PH - 145
PH 145Spring 2012Foundations of Electromagnetism and OpticsGeneral InformationI. Course Goals and ObjectivesPH145 is an introduction to physics that denes all of the interactions on the microscopic scale: electromagnetism. Electromagnetic forces are
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Chapter 8The Costs ofProductionMcGrawHill/IrwinCopyright2009byTheMcGrawHillCompanies,Inc.Allrightsreserved.Chapter ObjectivesExplicit and implicit costsLaw of diminishing returnsFixed and variable costsTotal, average, and marginalcosts The firm
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Chapter 9PureCompetitionMcGrawHill/IrwinCopyright2009byTheMcGrawHillCompanies,Inc.Allrightsreserved.Chapter Objectives The four basic market models Conditions for pure competition Profit maximization forcompetitive firms The competitive firm sup
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Chapter 10Pure MonopolyMcGrawHill/IrwinCopyright2009byTheMcGrawHillCompanies,Inc.Allrightsreserved.Chapter Objectives Characteristics of puremonopoly Profit-maximizing output andprice Economic effects of monopoly Charging different prices indif
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Chapter 11MonopolisticCompetition andOligopolyMcGrawHill/IrwinCopyright2009byTheMcGrawHillCompanies,Inc.Allrightsreserved.Chapter Objectives Characteristics of monopolisticcompetition Normal profit in the long run Characteristics of oligopoly G
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Chapter 3Vectors and Motion in Two DimensionsTopics:Vectors, coordinate systems,and componentsProjectile motionCircular motionSample question:The archer fish shoots a stream of waterdroplets at an insect. What determinesthe path that the droplet
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The domain Bacteria, as a prokaryote (i.e. single-celled organisms), isvery widely distributed in nature as the most common organism found.Interestingly enough, bacteria grow in all of our mouths and are found in dentalplaque. They have the ability to
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Erica KatzLab 6OHMSLAWTable of Contents:Title page2. Table of contents3. Purpose4. Equipment5. Procedure6. Data measurements and tables7. Formulas and calculations8. Data analysis9. Comparison of theory with experiment10. Percent error11. A
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ERICA KATZLAB 8ELECTROMAGNETIC INDUCTIONEMFARADAY s Law of EM InductionTable of Contents:1. Title page2. Table of contents3. Purpose4. Equipment5. Procedure6. Data measurements and tables7. Formulas and calculations8. Data analysis9. Compari
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Erica KatzMagnetic Levitation TrainMaglev (derived from magnetic levitation), is a system of transportation thatsuspends, guides and propels vehicles, predominantly trains, using magnetic levitationfrom a very large number of magnets for lift and prop
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USC - PHYS - 135a
Table of Contents1. Title page for Lab # 52. Table of Contents3. Purpose of the experiment4.5.Equipment5.7.Procedure8-9. Data Measurements10. Data analysis11-12. Comparison of theory with experiment12. ConclusionsPurpose: There are a few purpo
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