Physics 2340 Syllabus Date Mon 1/23 Tues 1/24 Wed 1/25 Thur 1/26 Fri 1/27 Reading Scaife/Spring 2012 Topics Electric Charge: Conservation 21.1-­‐21.2 and Quantization, Initial in-­‐class survey Objectives ⋅
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Understand that there are two types of electric charge. Describe interactions between charged objects. State the SI unit of electric charge. Determine the final charge on objects brought into contact. Understand that charge is quantized with a fundamental unit of charge. Define the terms “conductor” and “insulator” as they relate to electricity. Define and describe the processes of polarization, conduction and induction. Determine the number of protons/electrons transferred in a given process or the excess protons/electrons on an object. 21.3 Electrostatic Force ⋅ Draw a free body diagram for a charge acted upon by other charges. ⋅ Use Coulomb’s Law to calculate the electric force between two charges. ⋅ Calculate the net force on a charge acted upon by a distribution of other charges. Lab LAB: Electric Charge and Coulomb Force ⋅ Experimentally observe the two types of charge and their interactions. ⋅ Accomplish the processes of conduction, polarization and induction. ⋅ Use data to experimentally determine the Coulomb Constant. Electric Field ⋅
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21.4-­‐6 State the relationship between electric field strength and net electric force. Describe the electric field in a conductor. Sketch (roughly) the electric field lines resulting from a distribution of charges. Use a given electric field map to recover information about a charge distribution. Calculate the electric field (magnitude and direction) resulting from discrete charges. Initial online survey on D2L Due Online by 5pm Intro to Mastering Physics AND Homework #1 Due Online by 8 AM Calculating Electric Field Mon ⋅ Calculate the electric field (magnitude and direction) resulting from a continuous 21.5 Homework Discussion 1/30 distribution of charges. Electric Force/Field Quiz Tue 1/31 Wed 2/1 23.1 23.2, 23.4, Lab Describe what is meant by electric potential energy. State the SI unit of energy. Describe and compare negative and positive electric potential energies. Calculate the electric potential energy stored in a group of point charges. Use electric potential energy in the work-­‐energy model. Electric Potential Energy ⋅
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LAB: Mapping Electric Potential ⋅ Define electric potential (voltage). ⋅ State the SI unit of electric potential and relate it to energy. ⋅ Map equipotentials for a set of electrodes and visually observe the relationship between electric field and electric potential. Online Tutorial Homework #1 on Mastering Physics Due by Midnight ⋅ Calcualte the electric potential resulting from discrete point charges. Thur Calculating Electric Potential 23.3 ⋅ Calculate the electric potential resulting from a continuous distribution of charges. 2/2 (Voltage) Homework #2 on Mastering Physics Due Online by 8 AM Mon Electric Potential Energy and 2/6 Electric Potential Quiz Tue 2/7 24.1, 24.3 Capacitors ⋅
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Explain how capacitors store electrical charge. State the SI unit of capacitance. Relate the charge stored in a capacitor to the voltage difference on the capacitor. Using the charge and/or voltage on a capacitor, find the energy stored. Relate electric field between capacitor plates to geometry of the capacitor. ⋅ Examine the electric potential energy stored in a capacitor as a function of voltage. Lab LAB: Electric Energy Wed 2/8 Online Tutorial Homework #2 on Mastering Physics Due by Midnight Thur 2/9 25.1-­‐
25.3, 25.5 Current Resistivity Ohm’s Law Power ⋅
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State the SI unit of electric current and relate it to the unit of charge. Relate the resistivity of a material to the resistance of a piece of that material. State the SI unit of resistance. State Ohm’s law. Relate the SI units of current and resistance to energy. Given the current to a resistor, determine the power dissipated. Physics 2340 Syllabus Scaife/Spring 2012 Mon Homework #3 on Mastering Physics Due Online by 8 AM Online Tutorial Homework #3 on Lon Capa Due Online by 8 AM 2/13 Exam Review Tues 26.4 RC Circuits ⋅ Write and solve the differential equation that governs an RC circuit. 2/14 Wed 2/15 Lab Thur 2/16 LAB: RC Circuits EXAM 1 ⋅ Observe the charging and discharging of a capacitor through a resistor. ⋅ Determine the relationship between amount of charge on capacitor and number of time constants. Topics: Electric Charge, Force, Field and Potential Energy; Voltage; Current; Resistance; Capacitance; Ohm’s Law; Power Mon Homework #4 on Mastering Physics Due Online by 8 AM 2/20 RC Circuits Quiz Tue 2/21 Wed 2/22 Thur 2/23 State Kirchhoff’s rules and relate them to conservation principles. Determine the number of unknown currents in a given circuit. Use Kirchhoff’s rules to obtain sufficient equations to solve for unknown currents. Solve a system of equations. 26.2 Kirchhoff’s Rules ⋅
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Lab LAB: DC Circuits ⋅ Observe behavior of ohmic and non-­‐ohmic resistors. ⋅ Verify Kirchhoff’s Rules for simple DC circuits. Online Tutorial Homework #4 on Mastering Physics Due by Midnight 27.1 Magnetic Dipoles Electromagnets ⋅
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Define “dipole” and qualitatively sketch the magnetic field of a typical bar magnet. Describe similarity between electric and magnetic dipoles. Describe and qualitatively sketch the magnetic field of the earth. Describe qualitatively the forces between dipoles (including earth/compass). State the SI units of magnetic field and relate to electric units. Describe the magnetic field of a straight wire, a coil, and a solenoid using appropriate right-­‐hand rules. Mon Homework #5 on Mastering Physics Due Online by 8 AM 2/27 DC Circuits Quiz Tue 2/27 Wed 2/29 28.2-­‐28.5 The Biot-­‐Savart Law Lab FORMAL LAB: Electromagnets ⋅ Compute the magnetic field strength from symmetric current distributions including a long straight wire, a coil, and a solenoid. ⋅ Verify the right-­‐hand rule for the direction of the magnetic field from a coil/solenoid. ⋅ Verify the relationship between current and field strength for a coil/solenoid. ⋅ Empirically estimate the permeability of free space. Online Tutorial Homework #5 on Mastering Physics Due by Midnight Thur 27.4-­‐27.5 Lorentz Force 3/1 ⋅ Compute the size of the force on a charged object moving in a magnetic field. ⋅ Use the right-­‐hand rule to relate the direction of the charge’s velocity, the magnetic field, and the resulting Lorentz force. ⋅ Describe the motion of a charged particle moving in a uniform magnetic field. ⋅ Determine the radius of the circular path made by a charge moving with constant speed in a uniform magnetic field. Mon Homework #6 on Mastering Physics Due Online by 8 AM 3/5 -­‐-­‐ Exam Review Tue 3/6 Wed 3/7 Thur 3/8 27.6-­‐27.7 Magnetic Force on Wires ⋅ Compute the size of the force on a wire passing current through a magnetic field. ⋅ Compute the torque experienced by a square coil in a magnetic field. ⋅ Describe the forcese between two current-­‐carrying wires. Formal Lab Report from Electromagnets Due 22.1-­‐22.2 27.3 LAB: Flux and Motors Lab EXAM 2 ⋅ Define electric and magnetic flux. ⋅ State the SI units of electric and magnetic flux. Topics: RC Circuits, DC Circuits, Magnetic Field, Lorentz Force Physics 2340 Syllabus Mon 3/12 Tue 3/12 Wed 3/15 Thur 3/16 Scaife/Spring 2012 Homework #7 on Mastering Physics Due Online by 8 AM Flux and Magnetic Force on -­‐-­‐ Wires Quiz Ch. 22 Lab Gauss’ Law ⋅ Use Gauss’ Law to determine the electric field in symmetric cases including concentric spherical shells, a long cylindrical wire, and parallel plates. ⋅ Explain why Gauss’ Law is not very useful for non-­‐symmetric charge configurations. LAB: Induction ⋅ Verify Lenz’s Law for the direction of an induced current. ⋅ Explore Faraday’s Law for the strength of an induced current. Online Tutorial Homework #6 on Mastering Physics Due by Midnight 29.4 Motional EMF Induced Electric Field ⋅ Describe the charge distribution in a conductor moving through a magnetic field. ⋅ Calculate the voltage developed on such a conductor. ⋅ Describe the induction effect in terms of an induced electric field. SPRING BREAK 3/19-­‐3/23 Mon Homework #8 on Mastering Physics Due Online by 8 AM 3/26 -­‐-­‐ Induction Quiz Tue 3/27 Wed 3/28 Thur 3/29 ⋅ Use Ampere’s Law to determine the magnetic field in highly symmetric cases. ⋅ Define the term “displacement current” and describe its relationship to induced electric Ampere’s Law field. ⋅ Describe the application for each of Maxwell’s equations. 30.1, LAB: Mutual Inductance and ⋅ Define and calculate the mutual inductance of a concentric-­‐coil setup. ⋅ Construct a simple transformer and examine the power transmission. 31.6 Transformers Online Tutorial Homework #7 on Mastering Physics Due by Midnight ⋅ Define self-­‐inductance. Self-­‐Inductance ⋅ Calculate the energy stored in an inductor. 30.2-­‐30.4 RL Circuits ⋅ Write and solve the differential equation governing the behavior of an RL circuit. 28.6-­‐
28.7, 29.7 Mon Homework #9 on Mastering Physics Due Online by 8 AM 4/2 RL Circuits Quiz Tue 4/3 30.5 LC Circuits ⋅ Write and solve the differential equation governing an LC circuit. ⋅ Describe the behavior of an LC circuit. ⋅ Explain qualitatively how the presence of a resistance affects an LC circuit. Wed 4/4 31.1 Phasors Alternating Currents Exam Review ⋅ Use phasors to describe the voltage on L, R and C elements and the source. ⋅ Define RMS and explain its relevance to AC circuits. Thur 4/5 EXAM 3 Topics: Gauss’ Law, Ampere’s Law, Faraday’s & Lenz’s Laws, Inductance, RL Circuits Mon NO CLASS—April Break 4/9 Tues 4/10 Wed 4/11 Ch. 31 AC Circuits 32.1-­‐32.4 Electromagnetic Waves, Handout Photons ⋅ Calculate reactances for L and C elements and the circuit impedance. ⋅ Find the resonance frequency for an LRC circuit. ⋅
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Draw an accurate representation of a (polarized) electromagnetic wave. Relate the electric and magnetic field strengths in an electromagnetic wave. Relate the orientation of electric and magnetic fields to the direction of propagation of the EM wave. Relate the period and wavelength of an electromagnetic wave to the speed of light. Define the wave number and angular frequency of an electromagnetic wave. State the SI units of intensity. Describe the particle nature of light. Calculate number of photons incident on a surface. Online Tutorial Homework #8 on Mastering Physics Due by Midnight Thur 4/12 NO CLASS – Engineering Expo Physics 2340 Syllabus Scaife/Spring 2012 Mon Homework #10 on Mastering Physics Due Online by 8 AM Photoelectric Effect, ⋅ Calculate the maximum kinetic energy of a photo-­‐electron. 4/16 Handout AC Circuits and EM Waves Quiz Tues 4/17 Wed 4/18 Thur 4/19 36.1-­‐36.5 Diffraction Lab LAB: AC Circuits ⋅ Sketch the pattern observed after collimated light passes through one slit or many. ⋅ Explain the use of and define the terms in equations 36.2 or 36.13. ⋅ Find the approximate width of the central maximum of the single-­‐slit pattern. Online Tutorial Homework #9 on Mastering Physics Due by Midnight 35.1-­‐35.3 Interference ⋅ Describe the conditions for 2-­‐source constructive or destructive interference. ⋅ Define the quantities in equations 35.4 and 35.5. Mon Homework #11 on Mastering Physics Due Online by 8 AM Diffraction and Interference 4/23 Quiz Tue 4/23 35.4 Thin Films ⋅ State the conditions for phase change upon reflection. ⋅ Relate the type of interference observed in a thin film to the thickness of the film. ⋅ Describe what happens as each type of film approaches zero thickness. Lab FORMAL LAB: Interference Wed 4/26 Online Tutorial Homework #10 on Mastering Physics Due by Midnight Thur 4/27 33.1-­‐33.3 Refraction Define refraction. Explain the relationship of the index of refraction to the speed of light. State Snell’s Law and define the quantities used in it. Explain schematically why the apparent depth of an object submerged in water is different from its true depth, and where an underwater observer would perceive objects above the surface. ⋅ State the condition for total internal reflection. ⋅
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Mon Homework #12 on Mastering Physics Due Online by 8 AM 4/30 -­‐-­‐ Exam Review Tue 5/1 34.4 Lenses and Images ⋅
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Define virtual and real images and describe their properties. Trace rays through an ideal converging or diverging lens. State the thin-­‐lens equation and define all quantities, including sign conventions. Relate the magnification of an image to its distance from the lens. Wed Formal Lab Report from Interference Due 5/2 Lab LAB: Image Formation Thur 5/3 Topics: LC Circuits, RLC Circuits, AC Circuits, Phasors, EM Waves, Particle Nature of Light, Physical Optics, Refraction EXAM 4 Mon Homework #13 on Mastering Physics Due Online by 8 AM 5/7 -­‐-­‐ Quiz: Geometric Optics Tues 5/8 Wed 5/9 Thur 5/10 Fri 5/11 34.1-­‐34.2 Mirrors ⋅ Define convex and concave mirrors and trace rays for the images formed by either. ⋅ Estimate the focal length of a spherical mirror from its radius. ⋅ State the mirror equation and define all quantities, including sign conventions. LAB: Polarization and Multiple Lenses, Final In-­‐class Survey Online Tutorial Homework #11 on Mastering Physics Due by Midnight 33.5 Final Exam Review Activity Final online survey on D2L Due Online by 5pm Homework #14 on Mastering Physics Due Online by 5 pm FINAL EXAM: Monday, May 14 5:00 PM – 6:52 PM