EE 325 Spring 2016
Homework Set 1
ORIGINAL SOLUTION Due: in class on Monday Feb. 1;
SELF-GRADED SOLUTIONS Due: in class on Wednesday Feb. 3;
Recall the procedure for homework:
HOMEWORK:
You will be graded for grading your own homework! This is how it will
Homework #8, Chapter 11
1.
An E field in free space is given as E = 800 cos (108t - y)azV/m. Find: (a) ;
(c) H at P(0.1,1.5,0.4) at t = 8 ns.
2.
A lossy dielectric is characterized by R = 2.5, R = 4, and = 10-3 /.m at
10 MHz. Let Es = 20e-yzaxV/m and find
Homework #1, Chapter 2
1.
A charge Q0 = 1 nC is located in free space at P(a,0,0). Prepare a sketch of
the magnitude of the force on Q0, as a function of a, 0 a 5m, produced
by two other charges, Q1 = 1 C at (0,1,0) and Q2 =: (a) 1 C at (0,-1,0); (b) 1 C
Chapter 3
Electric Flux Density, Gausss Law,
and Divergence
Dr. Ray Chen
3.1 Electric flux theory
D: Electric flux density, displacement, flux density, displacement
density.
0 E D (in vacuum).
If we know D, E can be e asilyderived
& vice versa
D
D
r a
r
EE 325 Sp16, Homework 2, Originals Due: Monday Feb. 8; Self-graded copy due Wednesday Feb. 10
(right before midterm 1)
1. (3 points) A uniform line of charge with charge density of 16nC/m is located along the line defined by y =
-2, z =5. [In other words,
/
7 A uniform plane wave with E = axEx propagates in a lossless simple medium
(er 2 4, ti, = I, r; = 0) in the + z-direction. Assume that Ex is sinusoidal with a
frequency 100 (MHz) and has a maximum value of + 10"4(V/m) at t = 0 and
z = g (m).
3) Write t
Chapter 5
Conductors and Dielectrics
Dr. Ray Chen
5.1 Current and Current density
Fig. 5.1
dQ
I
,
dt
I J N S ,
I J dS
S
Dr. Ray Chen
I J S
x
I V S
,
t
5.1 Current and Current density
Fig. 5.1
I V Sv x ,
J x V v x ,
J V v whichis the current density.
D