1 Name _
Sept. 24, 2009
ECE 311
Exam 1
Fall 2009
Closed Text and Notes
1) Be sure you have 13 pages. 2) Write only on the question sheets. Show all your work. If you need more room for a particular problem, use the reverse side of the same page. 3) Write
EE 311 Homework 07
(Due Thursday, Mar. 7, Class Time)
Boundary Conditions, Poissons and Laplaces Equations,
Capacitance (7 questions)
1. (15 pts)
A perfectly conducting sphere is immersed in a dielectric medium having relative
permittivity 4.0. The charge
EE 311 Homework 08
(Not Due)
Capacitance, Image Theory, Biot-Savarts Law (5 questions)
1.
A conducting hollow sphere of radius 1 m is enclosed by a larger hollow
conducting sphere of radius 2 m. Determine the capacitance formed between two
spheres.
2.
Det
EE 311 Homework 10
(Due Thursday, April 11, Class Time)
Magnetic Torque, B-H in Materials, Magnetic Boundary
Condition, Inductance and Magnetic Energy
(7 questions)
corrected to be a_y
as shown in the
figure.
1. (10 pts)
current direction
reversed
2. (15
EE 311 Homework 01
(Due Thursday, Jan. 17)
Vector Algebra
(7 questions)
1. (10 pts)
Find the unit vector directed from (0, 5, 2) toward (4, 5, 9).
2. (20 pts)
Given A = ax a y , B = 2az , C = ax + 4a y . Find
(a) A B C .
(b) A B C
3. (15 pts)
4. (15 pts)
EE 311 Homework 09
(Due Thursday, Mar. 28, MSEE 230 by 5 pm)
Amperes Law, Magnetic Flux Density, Magnetic Force
(6 questions)
1. (15pts)
2. (20pts)
3. (15pts)
An
infinitely
long,
K = ( 2a z ) 10 6
everywhere.
4. (15pts)
hollow
A
m
cylindrical
shell
of
rad
EE 311 Homework 11
(Not Due)
Maxwells Equations, Time-Harmonic Fields (Phasors), Wave
Propagation (6 questions)
1.
2.
3.
4.
(20 pts) 5. In a uniform material of permeability o , the electric field intensity is known
to be E = 30 cos(2.51 1015 t 1.26 107 z
1 ` Name_Solution_
EE 311
Final Exam December 18, 2009
Fall 2009
Closed Text and Notes
1) Be sure you have 16 pages. 2) Write only on the question sheets. Show all your work. If you need more room for a particular problem, use the reverse side of the same
Name
ECE 311 Exam 3 Fall 2012
Nov. 29, 2012
Closed Text and Notes
1) Be sure you have 21 pages.
2) Write only on the question sheets. Show all your work. If you need more room for a particular
problem, use the reverse side of the same page.
3) Write
ECE 311 HW11 Solution
Question 1:
Question 2:
Question 3:
Question 4:
(20 pts) 5. In a uniform material of permeability o , the electric field intensity is known to be
E 30cos(2.511015 t 1.26 107 z )ax V/m.
(5 pts) Find E s phasor representation.
Es 30e j
1
Name _
September 24, 2015
ECE 311
Exam 1
Fall 2015
Closed Text and Notes
1) Be sure you have 10 pages plus the two-sided equation sheet.
2) Write only on the question sheets. Show all your work. If you need more room for a particular
problem, use the re
ECE 311 Homework #1
Due Friday September 1
(6 pts) Prob 1: If = 1 4 4 and = 2 + 2 + 2
(a) find A + 2B
(b) find B - A
(c) find A
(d) determine AB
(e) determine AB
(f) find a unit vector in the direction of AB
3
(2 pts) Prob 2: What is the distance betwee
Name
February 8, 2017
ECE 311 Exam 1 Spring 2017
Closed Text and Notes
1) Be sure you have 13 pages.
2) Write only on the question sheets. Show all your work. If you need more room for a particular
problem, use the reverse side of the same page and writ
EE 311 Homework 11
(Due Monday, Nov. 21, Class Time)
Power and Poynting Vector, Reflection and Transmission
(3 questions)
H
cos(2 107 t z ) a y , find
(30 pts) 1. In a nonmagnetic medium,
(a)
(b)
(c)
The time-average pointing vector.
The total power cros