Standard

R State Standard £ Institutionally Developed College: N/A

PHY 1112 – Electricity and Magnetism
Course Description The second of three algebra and trigonometry based courses in the physics sequence. This course introduces theories of electricity and magnetism. Topics include: electric charge, forces, and fields; electric potential, energy, and capacitance; magnetism; electric current, resistance, and basic electric circuits; alternating current circuits; and electromagnetic waves. Laboratory exercises supplement class work. Computer use is an integral part of class and laboratory assignments.
Competency Areas	Hours
Electric Charges, Forces, and Fields	Class	4
Electric Potential, Energy, and Capacitance	D. Lab	0
Magnetism	P. Lab/O.B.I.	3
Electric Current, Resistance, and Basic Electric Circuits	Credit	5
Alternating Current
Electromagnetic Waves

Prerequisite:	PHY 1111
Corequisite:

Course Guide

Competency	After completing this section, the student will be able to:	Hours
		Class	D.Lab	P.Lab/ O.B.I.
Electric charges, Forces and Fields		8	0	6
Electric charge	Distinguish between the two types of electric charge.
	Describe the law of charges that operates between charged objects.
Conservation of charge	Understand and use the law of conservation of charge.
Electrostatic charging	Distinguish between conductors and insulators. Explain the operation of the electroscope.
	Distinguish among charging by friction, conduction, induction, and polarization.
Electric force: Coulomb's law	Understand Coulomb's law to calculate the electric force between charged particles.
Electric field	Understand the definition of the electric field. .
	Plot electric field lines and calculate electric fields for simple charge distributions.
Electric Potential, Energy, and Capacitance Magnetism		7	0	5
Electric potential energy and electric potential difference	Understand the concept of electric potential difference (voltage) and its relationship to electric potential energy.
	Calculate electric potential differences.
Equipotential surfaces and the electric field	Explain what is meant by an equipotential surface.
	Sketch equipotential surfaces for simple charge configurations.
	Explain the relationship between equipotential surfaces and electric fields.
Capacitors	Define capacitance and identify its units.
	Calculate the charge, voltage, electric field, and energy storage for parallel-plate capacitors.
	Understand the concept of dielectrics.
	Calculate the charges, voltages, and energy storage of individual capacitors in series and parallel configurations.
	Find the equivalent capacitance of capacitors connected in series and in parallel.
	Analyze capacitor networks that include both series and parallel arrangements
MAGNETISM		7	0	5
Magnets, magnetic poles, and magnetic field direction	Determine the force rule between magnetic poles.
	Explain how the direction of a magnetic field is determined with a compass.
Electromagnetism: the source of magnetic fields	Determine the magnitude and direction of the magnetic field produced by current carrying wires, loops and solenoids.
	Use the right-hand rule to determine the direction of the magnetic field from the direction of the current that produces it.
Magnetic field strength and magnetic Forces	Define the magnetic field strength.
	Determine the magnetic force exerted by a magnetic field on a moving charged particle. (Applications: Charged particles in magnetic fields.)
Magnetic forces on current-carrying wires	Calculate the magnetic force on a current-carrying wire, and the torque on a current-carrying loop.
	Explain the concept of the magnetic moment of a coil.
Induced EMF: Faraday’s law and Lenz’s law	Define magnetic flux.
	Explain how an induced emf is created. Determine induced EMFs and currents.
Electric Generators and back EMF	Understand the operation of electrical generators, and calculate the emf produced by an ac generator.
	Explain the origin of back emf and its effect on the behavior of motors.
Transformers and power transmission	Explain transformer action in terms of Faraday’s Law.
	Calculate the output of step-up and step-down transformers.
	Understand the importance of transformers in electric energy delivery systems.
ELECTRIC CURRENT, RESISTANCE, AND BASIC ELECTRIC CIRCUITS		7	0	6
Batteries and direct current	Understand the properties of a battery.
	Explain how a battery produces a direct current in a circuit.
	Explain various circuit symbols for sketching schematic circuit diagrams.
Current and drift velocity	Define electric current.
	Distinguish between electron flow and conventional current.
	Explain the concept of drift velocity and electric energy transmission.
Resistance and Ohm's law.	Define electric resistance.
	Explain what is meant by ohmic resistor.
	Determine the factors that determine resistance.
	Define electric power.
	Calculate the power delivery of simple electric circuits.
Resistance in series, parallel, and series-parallel combinations	The equivalent resistance of resistors in series, parallel, and series-parallel combinations.
	Use equivalent resistances to analyze simple circuits.
Multiloop circuits and Kirchhoff's Rules	Understand the physical principles that underlie Kirchhoff’s circuit rules. Apply these rules in the analysis of actual circuits.
	Explain how household circuits are wired.
	Explain the principles that govern electrical safety devices.
RC circuits	Describe the charging and discharging of a capacitor through a resistor.
	Calculate the current and voltage at specific times during these processes.
ALERNATING CURRENT CIRCUITS		7	0	5
Resistance in an AC circuit	Specify how voltage, current, and power vary with time in an ac circuit.
	Understand the concepts of rms and peak values.
	Explain how resistors respond under ac conditions.
Capacitive reactance	Explain the behavior of capacitors in ac circuits
	Calculate the capacitive reactance.
Inductive reactance	Explain the behavior of inductors in ac circuits.
	Calculate the inductive reactance.
Impedance: RLC circuits	Calculate the reactance, impedance, current, voltage, power factor, power, and phase angle in AC circuits.
Circuit resonance	Explain the concept of resonance in AC circuits.
electromagnetic waves		4	0	3
Maxwell’s equations	Recognize Maxwell’s equations.
Electromagnetic wave speed	Explain the relationship between the frequency, wavelength, and speed of electromagnetic waves.
Electromagnetic wave energy	Explain the transport of energy by electromagnetic waves.
Electromagnetic spectrum	List the various types of electromagnetic waves according to their respective wavelengths.

Suggested Resources

Media Print Audio/Visual Web Other	Note: Please adhere to the APA Formatting and Style Guidelines. Examples: Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. Location: Publisher. Duncan, G.J., & Brooks-Gunn, J. (Eds.). (1997). Consequences of growing up poor. New York: Russell Sage Foundation.
Print	Christian, W. and Belloni M. (2003). Physlet physics-interactive illustrations, explorations, and problems for introductory physics. Benjamin Cummings.
	Cutnell, J.D., & Johnson, K.W. (2006) Physics. (7^th ed). New Jersey: John Wiley and Sons.
	Giancoli, D.C. (2004). Physics, principles and applications (6^th ed.). Upper Saddle River, N.J.: Pearson.
	O’Kuma, T. and et.al. (2003). Ranking task exercises In physics. Benjamin Cummings.
	O’Kuma, T. and et.al. (2005). E & M TIPERs: Electricity & magnetism tasks. Benjamin Cummings.
	Serway, Raymond A. & Faughn, Jerry S. (2008). College physics: Volume 8 . (8^th ed). Brooks/Cole.
	Wilson, J.D., & Buffa, A.J. (2006). College physics. (6^th ed.) Benjamin Cummings.
Web	Web Assign: A web-based assessment system providing homework and test delivery, collection, grading, and recording services. (http://webassign.net). North Caroline State University: Advanced Instructional Systems, Inc.

Posted: 09/29/08