Lecture #5:
Application of charges and
electric field
Example: Electric-field of a charged square loop
How does it work: Laser printer; cathode ray tube
Force on a charged particle in a magnetic field
E-field: Charged square loop
Example:
A Charged Squ
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Lecture #18:
Plane Waves in Lossy Media - 2
Summary of plane wave propagation
Applications of plane waves in lossy
media
More examples on plane waves in lossy
media
Examination issues
Summary for Plane Waves in
Lossless and Lossy Media
Medium
Lossless
Lecture #16:
Applications of plane waves
General expressions for plane waves
Applications of plane waves:
RADARs, satellite communication
More examples of plane waves in lossless
media
General Expressions
p
For a plane wave traveling in the +z-directio
Lecture #4:
Electric Field Intensity
D fi iti
Definition of Electric Field Intensity
f El t i Fi ld I t
it
Electric field intensity for a point charge
Calculation of Electric Field
Point charge; pairs of point charges
g
g
Line charge distribution
Su
Lecture #2:
A. Interesting applications of EM
A I t
ti
li ti
f
B.
B Basics of Vector Analysis
Interesting systems based on Engineering
Electromagnetics
g
Basic concepts of Vector Analysis
Operations involving vectors
C
Coordinate systems
di t
t
A.
A In
Lecture #6:
Review of Vector Analysis
R i
fV t A l i
Del Operator
Gradient of a scalar function (or field)
Divergence of a vector function (or field)
Curl of a vector function (or field)
Surface and Line Integrals
Two Vector Theorems
Stokes theorem
Lecture #7:
Electric Flux and Electric Potential
Electric Flux Density and Gausss Law
Definition of Electric Potential
Physical Meaning of Electric Potential
Calculation of Electric Potential due to
A point charge
A charge distribution
Example
Electric
Lecture #8:
Ohms Law, Cylindrical Coordinates,
Applications of magnetic field
Ohms Law: A Revisit
Poissons Equation and Laplacian
Poisson s
Operator
C li d i l coordinates
Cylindrical
di
pp
g
Applications of magnetic field
Ohm s
Ohms Law: A Revisit
Co
Lecture #9:
Static Magnetic Field
El t i Current
Electric C
t
Line current
Volume current and current density J
Principle of Conservation of Charge
Biot-Savart Law
Static Magnetic Field due to Line Currents
Straight line current
Circular loop curr
Lecture #15:
Relation between E and H
Example of plane wave: up vs. c
Relation between E and H
Intrinsic (or Wave) Impedance
Relation between the directions of E, H, and
the direction of propagation
Examples of Plane Waves Traveling in
Lossless Medi
Lecture #12:
Applications of
electromagnetic induction
Examples on application of Faradays Law
Electricity generator
Magnetic recording
Differential form of Faradays Law
Do you know?
The principle of operation of:
Transformers
Audio/video tape-replay
t
Lecture #17:
Plane Waves in Lossy Media - 1
Two types of currents in a lossy medium
Displacement Current
Conduction Current
Complex Permittivity
Complex Propagation Constant
Attenuation constant
Phase constant
Plane Wave Propagation in a Good
Co
EE3001
Engineering Electromagnetics
E i
i El t
ti
Lecturers
Part I: A/P Sheel ADITYA
Office: S2.2-B2-03
Tel: 6790 4198
Email: esaditya@ntu edu sg
esaditya@ntu.edu.sg
Webpage: http:/www.ntu.edu.sg/home/esaditya
Part II: A/P TAN Soon Yim
Office: S1-B1b-44
T
(1a) Two 20 nC point charges Q1 and Q2 are situated at (2,0,5) and (-2,0,5) m, respectively.
Calculate the total electric potential V at (0,2,5) m.
Note: 1. Electric potential is a scalar; it does not have a direction. The total V is V 1 +V2.
2. Choose th