Download COURSE EXPECTATIONS COURSE CODE: PHYS

COURSE EXPECTATIONS
COURSE CODE: PHYS-2006 COURSE NAME: GENERAL PHYSICS III:
ELECTROMAGNETISM
FACULTY MEMBER: WENFENG CHEN
2012-13
2013-14
CALENDAR COURSE DESCRIPTION:
This course, aiming at students in Bachelor of Science and Bachelor of Science and Technology programs,
introduces fundamental concepts and physical laws of electricity and magnetism, and applications of
electromagnetism in modern science and technology. This course consists of five parts: electrostatics, direct
current, static magnetism, electromagnetic induction and electromagnetic wave. Topics include: electric charge,
electric field, electric force, electric potential, capacitance, Coulomb’s law, Gauss’s law, direct current circuit,
electric resistance, Ohm’s law and Kirchhoff’s rules; magnetic field, magnetic force on moving electric charges
and magnetic force between current-carrying conductors, Biot-Savart law on the creation of magnetic field by
moving charge and Ampere’s law; Faraday’s law of induction and Lenz’s law describing direction of induced
electric field, inductance, alternating current, inductive reactance, capacitive reactance and impedance of
alternating circuit; resonance in a series RLC circuit, displacement current, Maxwell’s equations, theoretical
prediction and Hertz’s discovery of electromagnetic wave; propagation and properties of electromagnetic wave.
EXPECTATIONS:
BY THE END OF THE COURSE STUDENTS SHOULD BE ABLE TO:
1. DEMONSTRATE UNDERSTANDING OF THE PHYSICAL CONTENT AND MATHEMATICAL
FORMULATIONS OF COULOMB’S LAW AND GAUSS’S LAW IN ELECTROSTATICS AND THE
2.
CONCEPTS OF ELECTRIC FIELD AND ELECTRIC POTENTIAL CREATED BY A CHARGED OBJECT
BY USING COULOMB’S LAW TO CALCULATE THE STATIC ELECTRIC FORCE BETWEEN TWO
CHARGES, UTILIZING BOTH THE DEFINITION AND GAUSS’S LAW TO CALCULATE ELECTRIC
FIELDS CREATED BY POINT CHARGES AND CONTINUOUS CHARGE DISTRIBUTIONS ON
OBJECTS WITH SYMMETRIC GEOMETRIC SHAPE SUCH AS A ROD, A RING, A DISK, AN PLANE
AND A SPHERE, SKETCHING ELECTRIC FIELD LINES OF THE ELECTRIC FIELD CREATED BY A
CHARGE DISTRIBUTION AND QUALITATIVELY EXTRACT OUT ELECTRIC FIELD DISTRIBUTION
FROM ELECTRIC FIELD LINES, USING NEWTON’S SECOND LAW TO STUDY THE DYNAMICS OF
A CHARGED PARTICLE IN UNIFORM ELECTRIC FIELD, CALCULATING ELECTRIC POTENTIAL
CREATED BY POINT CHARGES AND A CONTINUOUS CHARGE DISTRIBUTIONS WITH
SYMMETRIC GEOMETRIC SHAPE, EVALUATING ELECTRIC POTENTIAL ENERGY A CHARGED
PARTICLE IN AN ELECTRIC FIELD, AND EXPOUNDING AND DERIVING THE PHYSICAL
FEATURES OF CHARGES DISTRIBUTION, ELECTRIC FIELD AND ELECTRIC POTENTIAL OF A
CONDUCTOR IN ELECTROSTATIC EQUILIBRIUM
DEMONSTRATE UNDERSTANDING OF THE CONCEPT OF CAPACITANCE AND THE ROLE OF
CAPACITORS IN ELECTRIC CIRCUIT BY SHOWING THE STRUCTURE OF A CAPACITOR, USING
THE DEFINITION OF A CAPACITANCE TO CALCULATE CAPACITANCES OF SOME TYPICAL
CAPACITORS INCLUDING PARALLEL-PLATE CAPACITOR, CYLINDRICAL CAPACITOR AN
SPHERICAL CAPACITOR, CALCULATING EQUIVALENT CAPACITANCE OF A NUMBER OF
CAPACITORS COMBINED IN PARALLEL AND IN SERIES IN A CIRCUIT, EXPOUNDING HOW A
CAPACITOR CAN STORE CHARGES AND CALCULATING ELECTRIC FIELD ENERGY STORED IN A
3.
4.
5.
6.
7.
CAPACITOR, EXPLAINING HOW DIELECTRICS CAN INCREASE CAPACITANCE OF A CAPACITOR
AT A MICROSCOPIC LEVEL WITH THE NOTION OF ELECTRIC DIPOLE AND CALCULATED THE
INCREASED CAPACITANCE AND STORED ELECTRIC FIELD ENERGY
DEMONSTRATE UNDERSTANDING OF THE CONCEPTS OF ELECTRIC CURRENT, ELECTRIC
RESISTANCE, ELECTRIC CIRCUIT AND ELECTRIC POWER AND APPLICATION OF OHM’S LAW BY
USING THE DEFINITION OF ELECTRIC CURRENT AND THE MICROSCOPIC MODEL OF
CURRENT TO CALCULATE ELECTRIC CURRENT PASSING THROUGH A SECTION OF
CONDUCTOR, EVALUATING CURRENT DENSITY AND RESISTANCE WITH OHM’S LAW AND THE
ELECTRIC CONDUCTION MODEL, CALCULATING ELECTRIC POWER DELIVERED TO A
RESISTOR, EVALUATING EQUIVALENT RESISTANCE OF A DIRECT-CURRENT CIRCUIT
COMPOSED OF A NUMBER OF RESISTORS COMBINED IN SERIES AND PARALLEL, SKILLFULLY
USING KIRCHOFF’S JUNCTION AND LOOP RULE TO FIND ELECTRIC CURRENT IN A CIRCUIT
AND VOLTAGE BETWEEN ANY TWO POINTS IN THE CIRCUIT, EXPOUNDING HOW CHARGE
AND DISCHARGE IN A RC CIRCUIT OCCUR AND CALCULATING THE CHARGE ON THE
CAPACITOR AND CURRENT IN THE CIRCUIT AT A CERTAIN TIME AND EVALUATING TIME
CONSTANT OF THE RC CIRCUIT
DEMONSTRATE UNDERSTANDING OF THE CREATION OF STATIC MAGNETIC FIELD AND
MAGNETIC FORCE BY SKETCHING MAGNETIC FIELD LINES OF A MAGNET AND DETERMINING
ORIENTATION OF A COMPASS IN MAGNETIC FIELD, CALCULATING MAGNETIC FORCE
EXERTED ON A MOVING CHARGED PARTICLE IN A MAGNETIC FIELD AND ON A CURRENTCARRYING CONDUCTOR AS WELL AS THE TOQUE OF A CURRENT LOOP IN A UNIFORM
MAGNETIC FIELD, USING THE BIOT-SAVART LAW TO CALCULATE MAGNETIC FIELD
PRODUCED BY A CURRENT-CARRYING CONDUCTOR AND MAGNETIC FORCE BETWEEN TWO
PARALLEL CURRENT-CARRYING CONDUCTORS, AND UTILIZING AMPERE’S LAW TO
CALCULATE THE MAGNETIC FIELD PRODUCED BY SOME CURRENT-CARRYING CONDUCTORS
WITH GOOD GEOMETRIC SHAPES SUCH AS A LONG STRAIGHT WIRE, TOROID AND SOLENOID,
ETC., IDENTIFYING THREE TYPES OF MAGNETISM IN MATTER AND USING MAGNETIC
MOMENTS OF ATOMS TO EXPOUND THE ORIGIN OF MAGNETISM
DEMONSTRATE UNDERSTANDING OF ELECTROMAGNETIC INDUCTION BY USING FARADAY’S
LAW OF INDUCTION TO CALCULATE INDUCED EMF AND MOTIONAL EMF INDUCED IN A
CONDUCTOR MOVING IN A CONSTANT MAGNETIC FIELD, AND DETERMINING THE
DIRECTIONS OF INDUCED CURRENT AND ELECTRIC FIELD IN A CONDUCTING LOOP WITH
LENTZ’S LAW, EXPOUNDING WORKING PRINCIPLES OF AN ALTERNATING-CURRENT
GENERATOR, A DIRECT-CURRENT GENERATOR AND A MOTOR, AND CALCULATING THE
INDUCED EMF BY A GENERATOR AND INDUCED CURRENT IN A MOTOR AS WELL AS THE
ORIGIN OF EDDY CURRENTS
DEMONSTRATE UNDERSTANDING OF THE CONCEPT OF INDUCTANCE BY EXPLAINING THE
MEANING OF SELF-INDUCTION IN A CIRCUIT CARRYING TIME-VARYING CURRENT AND
CALCULATING INDUCTANCES OF SOME TYPICAL INDUCTORS LIKE A SOLENOID AND MUTUAL
INDUCTANCE OF TWO NEARBY CIRCUITS CARRYING TIME-VARYING CURRENTS, EVALUATING
MAGNETIC FIELD ENERGY STORED IN AN INDUCTOR AND MAGNETIC ENERGY DENSITY OF A
MAGNETIC FIELD, DERIVING THE CURRENT IN A RL CIRCUIT AND CALCULATING THE TIME
CONSTANT OF RL CIRCUIT, EXPOUNDING THE OSCILLATION PROCESS IN A LC CIRCUIT AND
THE ALTERNATIVE CONVERSION BETWEEN ELECTRIC ENERGY IN A CAPACITOR AND
MAGNETIC FIELD ENERGY IN AN INDUCTOR AND CALCULATING THE NATURAL FREQUENCY
OF OSCILLATION OF LC CIRCUIT, COMPARING THE ANALOGUE BETWEEN RLC CIRCUIT AND
DAMPED OSCILLATION A MECHANICS, EVALUATING THE DAMPED ANGULAR FREQUENCY OF
A RLC CIRCUIT AND DETERMINING THAT THE DAMPED OSCILLATION IS UNDERDAMPED,
CRITICALLY DAMPED OR OVERDAMPED
DEMONSTRATE UNDERSTANDING OF THE PHYSICAL FEATURES AND TECHNOLOGICAL
APPLICATIONS OF ALTERNATING-CURRENT CIRCUITS BY CALCULATING INSTANTANEOUS
CURRENTS AND VOLTAGES, ROOT-MEAN-SQUARE CURRENTS AND VOLTAGES, MAXIMAL
8.
CURRENTS AND VOLTAGES, INDUCTIVE REACTANCE OF AN INDUCTOR AND CAPACITIVE
REACTANCE OF A CAPACITOR, IMPEDANCE OF A RLC SERIES CIRCUIT WHEN A SINUSOIDAL
AC SOURCE APPLIES TO A CIRCUIT CONSISTING OF A SINGLE RESISTOR, CAPACITOR OR
INDUCTOR AND A CIRCUIT FORMED BY RESISTOR, CAPACITOR AND INDUCTOR COMBINED
IN SERIES, EXPOUNDING THE RESONANCE PHENOMENON IN A SERIES RLC CIRCUIT AND
COMPUTING RESONANCE FREQUENCY, QUALITY FACTOR AND THE AVERAGE POWER
DELIVERED TO A LOAD RESISTOR AT RESONANCE, EXPLAINING WORKING PRINCIPLES OF AC
TRANSFORMERS, RECTIFIERS AND FILTERS AND CALCULATING VOLTAGE OUT VOLTAGE BY
AN IDEAL TRANSFORMER AND EQUIVALENT RESISTANCE OF A LOADED RESISTANCE
DEMONSTRATE UNDERSTANDING OF THE PHYSICAL IMPLICATIONS AND SIGNIFICANCE OF
MAXWELL’S EQUATIONS, AS WELL AS PHYSICAL PROPERTIES AND TECHNOLOGICAL
APPLICATIONS OF ELECTROMAGNETIC WAVES BY FIRST EXPLAINING THE MEANING OF
DISPLACEMENT CURRENT, CALCULATING DISPLACEMENT CURRENT IN AN AC CIRCUIT, AND
WRITING DOWN THE AMPERE-MAXWELL LAW, EXPOUNDING HOW MAXWELL EQUATIONS
PREDICT THE EXISTENCE OF ELECTROMAGNETIC WAVE, CALCULATING PROPAGATION
SPEED,
MAGNITUDE,
FREQUENCY,
WAVELENGTH
AND
WAVE
NUMBER
OF
ELECTROMAGNETIC WAVE AND SHOWING ELECTROMAGNETIC WAVE IS TRANSVERSE BY
WORKING ON PLANE WAVE, CALCULATING POINTING VECTOR, INTENSITY, MOMENTUM
AND RADIATION PRESSURE OF ELECTROMAGNETIC WAVE, EXPOUNDING THE PRODUCTION
AND RADIATION OF ELECTROMAGNETIC WAVE BY AN ANTENNA AND IDENTIFYING
SPECTRUM OF ELECTROMAGNETIC WAVE BY ITS FREQUENCY
OUTCOMES:
SUCCESSFUL GRADUATES OF THIS COURSE WILL DEMONSTRATE
1. A DEVELOPED KNOWLEDGE AND CRITICAL UNDERSTANDING OF THE KEY CONCEPTS,
METHODOLOGIES, THEORETICAL KNOWLEDGE AND EXPERIMENTAL SKILLS IN
ELECTROMAGNETISM, AND A CLEAR UNDERSTANDING OF APPLICATIONS OF
2.
3.
4.
5.
6.
7.
ELECTRICITY AND MAGNETISM IN OTHER BRANCHES OF SCIENCE AND ELECTRICAL
ENGINEERING
A DEVELOPED ABILITY TO APPLY KNOWLEDGE IN ELECTRICITY AND MAGNETISM TO
REAL-LIFE PROBLEMS AND TO CREATE MATHEMATICAL MODELS FOR SUCH
PROBLEMS
AN ABILITY OF UNDERSTANDING PHYSICAL PRINCIPLES UNDERLYING ELECTRIC AND
MAGNETIC PHENOMENA, EQUIPMENTS AND APPARATUS
AN APPRECIATION OF HISTORICAL DEVELOPMENT OF ELECTROMAGNETISM AND ITS
PRESENT KNOWLEDGE STRUCTURES
A DEVELOPED ABILITY TO SUCCEED IN FUTURE STUDY AND CAREERS RELATED TO
PHYSICS OF ELECTROMAGNETISM
AN ABILITY OF APPLYING PHYSICAL CONCEPTS, PRINCIPLES AND LAWS OF
ELECTROMAGNETISM TO PROBLEMS IN OTHER BRANCHES OF NATURAL SCIENCES
AND ENGINEERING
AN ABILITY OF UNDERSTANDING, ANALYZING, MODELING AND SOLVING
ELECTRICAL AND MAGNETIC PROBLEMS WITH ADVANCED MATHEMATICS SUCH AS
CALCULUS, VECTOR ALGEBRA, ANALYTIC GEOMETRY, ELEMENTARY LINEAR
ALGEBRA AND ELEMENTARY DIFFERENTIAL EQUATIONS