SCIENCE DEPT CHAIR: Mr. Scheidt AS 212B

Transcription

1 PHS224 GENERAL PHYSICS II 4 HOURS CREDIT SEMESTER: FALL 2009 INSTRUCTOR: Dr. George Saum Office: Room 16 A & S Bldg. Phone: Lab: A & S 112 Office Hours:: 12:00 MTWF 10:00 R SCIENCE DEPT CHAIR: Mr. Scheidt AS 212B The second semester of the introductory course designed to meet the needs of physical science or engineering students. Principal categories covered are: Electromagnetism and Optical Wave Phenomena This course meets for three lectures, one problem session, and one laboratory per week. Lecture & problem session MWRF 9:00 9:50 Lab T 9:00 10:50 Prerequisites: General Physics I PHS 223 Textbooks: PHYSICS FOR SCIENTISTS AND ENGINEERS, seventh edition R.A. Serway and John W. Jewett, Thomson Brooks/Cole Publishers, 2008 ISBN Laboratory experiment handouts will be provided in class Supplementary Material: Mathcad and Excel will be used in solving and analyzing laboratory and classroom problems Other Materials: Scientific calculator. Three ring notebook for problems.

2 Sequence of topics to be covered: Electrostatic field, Coulomb's law, Gauss's law Electrical potential Electric fields and potentials from distributed charges Capacitors and Ohm's law Direct current circuits Magnetic forces and Ampere's law Faraday's law and inductance Alternating Current circuits Maxwell's equations Wave properties of light Reflection and refraction of lenses and mirrors Interference and diffraction Optical instruments Tentative sequence of tab experiments: Mapping Electric fields and potential fields Dc currents and potentials Measuring resistance Potentiometers Resistivity Joule heating Earth's magnetic field Electromagnetic induction Reflection and refraction Mirrors and lenses Wavelength of light Evaluation: Homework 10% Lab reports 20 % Exams (5) 70 % Attendance: Disciplined attendance is strongly encouraged. School policy requires dropping students with poor attendance. Poor attendance will severely impact your classroom performance. American Disabilities Act If you have special needs as addresses by the American Disabilities Act and you need any test or course materials provided in alternative format, notify your instructor immediately. Reasonable efforts will be made to accommodate your special needs. MAC s Policy for Disciplinary Action College discipline shall be exercised when student misconduct adversely affects the college s pursuit of its educational objectives. Misconduct for which students are subject is defined as follows: Dishonesty, such as cheating, plagiarism, or knowingly furnishing false information to the college (Mineral Area College Board Policy Manual, section 5.72, IA., p. 99).

3 PHYS 224 HOMEWORK PROBLEMS FALL 2009 DATES AUG Chap 23 Electric Fields 23.1,2,3 Coulomb s Law 5,7,9, Electric Field 13, Electric Field of Continuous Charge 25, Electric Field Lines 23.7 Motion in a Uniform Field 42,43,47 (4.38x10 6 m/s, 2.391m/s) AUG Chap 27 Current and Resistance 27.1 Electric Current 1,3, Resistance and Ohm s Law 13, Model for Conduction 27.4 Resistance and Temperature 29,33, Electrical Energy and Power 39,41,51 AUG31-SEPT 4 Chap 24 Gauss s Law SEPT Electric Flux 1, Gauss s Law 15, Applications of Gauss s Law 23,27, Conductors in Equilibrium 39,43, Experimental Verification 24.6 Formal Derivation of Gauss s Law SEPT 11 SEPT Chap 25 Electric Potential 25.1 Potential Difference and Electrical Pot. 3,4 (.502 V) 25.2 Potential Difference Uniform Field 6,7 (1.67x10 6 V/m) 25.3 Electrical Potential - Point Charges 17,19,28 (-4.5x10-9 J, 3.46x10 4 m/s) 25.4 Electric Field form Electrical Potential 37, Electric Potential due to Continuous Chg Electrical Potential due to Conductor 49 SEPT Chap 26 Capacitance and Dielectrics 26.1 Definition of Capacitance Calculating Capacitance 7,9,11, Combinations of capacitors 16,17,21 (17 f, 9V, 45 C, 108 C) 26.4 Energy Stored in a Capacitor 31, Capacitors with dielectrics 43,45 SEPT Chap 28 Direct Current Circuits 28.1 Electromotive Force 1, Resistors in Series and Parallel 9,14 (1k, 2k, 3k) 28.3 Kirchhoff s Rules 21,24,27,29 (.385, 0.308, 2.69 ma) 28.4 RC Circuits 31,34,47 (.98 sec) 28.5 Electrical Instruments 28.6 Household Wiring SEPT 28 SEPT 30

4 DATES OCT 1-7 Chapter 29 Magnetic Fields 29.1 Magnetic Field 5,10 B =? i j + 0 k 29.2 Magnetic Force on Conductors Torque on a Current Loop 20,23,27 =.0054, = 4.33x Motion of Charged Particles 29, The Hall Effect 49 OCT 8 OCT 9-15 Chapter 30 Sources of Magnetic Fields 30.1 The Biot-Savart Law 1,2,3 2x10-5 T 30.2 Magnetic Force Between Two Conductors 16,17 80x10-6 N/m 30.3 Amperes Law 21,23,28 I=500 amps 30.4 Magnetic Field of a Solenoid Magnetic Flux x10-6, 2.27x Gauss s Law in Magnetism 30.7 Displacement current and Amperes Law Magnetism in Matter Magnetic Field of the Earth OCT Chapter 31 Faraday s Law 31.1 Faraday s Law of Induction 1,3,4,7,10, V,.028V, 31.2 Motional EMF.0142cos(120t) 31.3 Lenz s Law 21, Induced EMF and Electric Fields 31.5 Generators and Motors 35, Eddy Currents 31.7 Maxwell s Equations OCT 22 OCT 23 OCT Chapter 32 Inductance 32.1 Self inductance 1,5,7, H, 12.6 mh 32.2 RL circuits 17,23, Energy in a Magnetic Field Mutual inductance 40, cos (1000t) 32.5 Oscillations in an LC circuit 47, The RLC Circuit 54,55 Fd = 2.51kHz, R=69.9 ohm NOV 2-5 Chapter 33 Alternating Current Circuits NOV Resistors in an ac Circuit 1, Inductors in an ac Circuit 9, J 33.4 Capacitors in an ac Circuit 15, The RLC Series Circuit 23,26 146V, 213V, 179V, 34V 33.6 Power in an ac Circuit 30. Irms=.141A, 8W, 8W 33.7 Resonance in an RLC series circuit Transformers and Power Transmission 45,47 FALL BREAK NOV 9-11 Chapter 34 Electromagnetic Waves 34.2 Plane EM waves 3, Energy in an EM wave 13,21, The Spectrum of EM waves 41,43,45 NOV 12 NOV 13

5 DATE NOV Chapter 35 Light and Optics 35.2 Speed of Light 1, Ray Approximation 12,15, x10 14 Hz, nm,2x10 8 m/s 35.4,5, Dispersion and Prisms 29, Total Internal Reflection 36, o.,37.04 o,49.8 o, 67.2 o NOV Chapter 36 Geometric Optics 36.1 Flat Mirrors 36.2 Spherical Mirrors 7,9, Images from Refraction 23, Thin lenses 29,32,36 6.4cm,-.25,conv, cm NOV Thanksgiving NOV 30-DEC 1 Chapter 37 Interference of Light Waves 37.1 Conditions for Interference 37.2 Young s Double Slit Experiment 1,5, Intensity Distribution of Double Slit 37.4 Phase Addition 37.5 Change of Phase 37.6 Interference in thin Films 31,32, nm, 96 nm DEC 2-3 Chapter 38 Diffraction and polarization 38.1 Intro to Diffraction 38.2 Diffraction with Narrow Slits 1,3, Resolution of Slits and Apertures 11, Diffraction Grating 25, X-rays 38.6 Polarization of Light 41,45 DEC 4 DEC 9 8:00 LAB SCHEDULE: AUG 18 MCAD/EXCEL AUG 25 FIELDS AND POTENTIAL SEPT 1 OHM'S LAW 15 RESISTIVITY 22 TEMP COEF RESISTANCE 29 SERIES/PARALLEL RESISTANCE OCT 6 KIRCHOFF'S RULES 13 RC TIME CONSTANT 20 HELMHOLTZ COILS 27 DIODES NOV 3 OSCILLOSCOPE 10 TRANSFORMER 17 R-L-C CIRCUITS 20 TRANSISTORS 24 LENSES DEC 1 GRATINGS/ SPECTROSCOPY