ENEE 205 Electric Circuits
Lab 1 Worksheet
Name(s):
Basic DC Measurements'
Date:
Prelab:
1. Watch the video tutorial Lab #1 DC Measurements https:/vimeo.com/72364400 and answer
the following questions. What is the resistance of the ammeter used in the exp
ENEE 205 Electric Circuits
Lab 4 Worksheet R-2R network and D/A Conversion
Name(s):
Date: 9/27/16
NOTE: There are prelab activities is Sections 4.1 and 4.2. Do them prior to lab.
4.1: Equivalent Input Resistance
1. Prelab: Find the value of the input resi
ENEE 381 First Examination
Tuesday, March 13, 2007, 11:00 am - 12:15 pm
ANSWER 3 QUESTIONS
(if more than 3 are answered best 3 will count)
(1) From Maxwells equations prove that 3-D waves exist in free space and calculate their velocity in a
medium with r
ENEE 150: Intermediate Programming Concepts
for Engineers
Fall 2014
Handout #7
Project #1: Checkers, Due: Sept. 29th, 11:59p.m.
In this project, you will build a program that allows two human players to play the game
of checkers. Your program will graphic
Name:
UNIVERSITY OF MARYLAND
Department of Electrical and Computer Engineering
ENEE 205 - Electric Circuits
Spring 2015 (sections 010x)
Exam 2
Wednesday April 8, 2014
11:00 am 12:15 pm
Instructions
Please write all of your answers directly on the exam in
ENEE 241 Numerical Techniques in Engineering
Spring 2006 Test 1 3/6/2006
Closed Book and Notes - No calculators allowed
Write very neatly please
0 1
l. (a 20 points) Compute the LU factorization of the matrix A = 0 1 (b 5 points) Compute its
1 0
Hinpi
det
Question 1. (20 Points)
a. Which is better for transmission of electric power over long distances: DC low voitage or
AC high voltage?
Ti M1, 1.1 W? wtkg/LMW
b. Where in the Washington
SM Weave w \uioM Vl
c. What' Is the SI (MKS) unit of inductance?
TH Mme
1. The circuit shown below has a Thevenin equivalent shown on the right. (25)
:1. Find the values of V1 and R. in the circuit.
You may use any circuit analysis method.(10)
EL 1 A (King) : g
T @srt '
ME I? 3
TU! on v. , \cfw_nzm = lSngt) HOV Vim: (q
t
/
1V ame:
l. (20 points) Consider the synchronous sequential circuit whose logic block diagram is shown below,
ate variable qa is stored and one master-slave
input x is a synchronized level signal and the
consisting of one JK masterslave flip-flop in
a: 61:5 >
E), 5 " GE: F
D: 054? A A
2 M, [D t V40
ENEE 380 Electromagnetic Theory Exam 3 April 7, 2014
Answer each of the questions below. When you are done, make sure that you put your name in the
upper right corner of each page, put all of the pages i
Name:
UNIVERSITY OF MARYLAND
Department of Electrical and Computer Engineering
ENEE 205 - Electric Circuits
Spring 2015 (sections 010x)
Exam 3
Saturday May 16, 2015
8:00 am 10:00 am
Instructions
Please write all of your answers directly on the exam in th
ENEE 205 Electric Circuits
Lab 5 Worksheet
Non Linear Loads and Sources
Name: Date: 10/4/2016
5.1: Diodes and LEDs (5 points)
1. Measure the actual resistance of R = 200ohm, and wire the forward bias circuit. Vary Vs from 0
to 5V in increments of approxim
ENEE 205 Electric Circuits
Lab 2 Worksheet
Introduction to Measurement of Time-Varying Signals
Name(s):
Date: 9/13/2016
2.1 Wave Signal Generator and NI myDaq
Follow the tutorial Lab #2a https:/vimeo.com/72365865 to observe signal from the waveform
genera
ENEE 205, Spring 2016
Problem Set 10
Issued: Apr 04, 2016
Due: Apr 11, 2016
Problem 10.1
v(t)
10 k
40 k
10 mH
i(t)
(a) What is the time constant for this circuit?
(b) Suppose the initial current i.0/ D 100 A. Find an expression for i.t/ for t > 0.
(c) Fin
ENEE 205, Spring 2016
Problem Set 11
Issued: Apr 11, 2016
Due: Apr 18, 2016
Problem 11.1
In the following circuit, the switch has been open for a long time before it is closed at t D 0.
20
60
100 mA
250 nF
40
(t=0)
40
v(t)
i(t)
26 V
(a) Find an expres
ENEE 205, Spring 2016
Problem Set 9
Issued: Mar 28, 2016
Due: Apr 04, 2016
Problem 9.1
10 k
5 k
12 k
10 k
5 k
v1
v2
Find an expression for v2 in terms of v1 in the above circuit.
Problem 9.2
You may assume that the op-amp in the following circuit is ideal
ENEE 205, Spring 2016
Problem Set 14
Issued: May 02, 2016
Due: May 9, 2016
Problem 14.1
Consider the following circuit, in which v1 .t/ is the input voltage and v2 .t/ is the output.
10
L
v1(t)
R
v2(t)
C
The transfer function relating v1 and v2 is:
H.s/
ENEE 205, Spring 2016
Problem Set 12
Issued: Apr 18, 2016
Due: Apr 25, 2016
Problem 12.1
The following circuit has reached a steady state before the switch is closed at t D 0.
6 k
t=0
12 cos(1000t)
(V)
12 k
250 nF
v(t)
(a) Determine the initial value v.0/
ENEE 205, Spring 2016
Problem Set 5
Issued: Feb 22, 2015
Due: Mar 01, 2015
Problem 5.1
Consider the following circuit, and its equivalent circuits shown in the figure below:
v1
v2
i1
4 k
1 k
3 k
14 V
2 k
i5
v1
i2
i2
4 k
500
v3
i1
i3
v4
3 k
14 V
2 k
i4
i5
ENEE 205, Spring 2016
Problem Set 1
Issued: Jan 25, 2015
Due: Feb 01, 2015
Problem 1.1
The following figures plots the current and voltage applied to a rechargeable battery during
a 3-hour charging cycle.
v(t)
i(t)
i(t)
500 mA
battery
v(t)
12 V
6V
200 mA
ENEE 205, Spring 2016
Problem Set 8
Issued: Mar 21, 2016
Due: Mar 28, 2016
Problem 8.1
2v1
4 mA
v1
10 k
i2
20 k
(a) Calculate the current i2 and the voltage v1 in the above circuit.
(b) How much power is supplied/consumed by the voltage-controlled voltage
ENEE 205, Spring 2016
Problem Set 4
Issued: Feb 15, 2015
Due: Feb 22, 2015
Problem 4.1
In each of the following cases, you are given some partial information about the voltage,
current, impedance, and consumed power. Based on the information given, please
ENEE 205, Spring 2016
Problem Set 13
Issued: Apr 25, 2016
Due: May 02, 2016
Problem 13.1
v2(t)
v1(t)
R2
R1
C
(a) Find an expression for the transfer function H.s/ D
terms of s, R1 , R2 and C .
V2 .s/
V1 .s/
for the above circuit, in
(b) Suppose C D 1 F. D
ENEE 205, Spring 2016
Problem Set 7
Issued: Mar 08, 2015
Due: Mar 22, 2015
Problem 7.1
For each of the circuits shown below in (a)(b), calculate the Norton and Thvenin equivalent source.
2 k
12 V
3 k
4 k
1 k
6 k
A
8 k
5 k
(a)
3 k
12 mA
1 k
2 k
A
4 k
B
B
(
ENEE 205 Electric Circuits
Lab 1 Worksheet
Name(s):
Basic DC Measurements'
Date:9/6/2016
Prelab:
1. Watch the video tutorial Lab #1 DC Measurements https:/vimeo.com/72364400 and answer
the following questions. What is the resistance of the ammeter used in
ENEE 205 Electric Circuits
Name:
Lab 6 Worksheet
MOSFET Characterization
Date: 10/11/16
6.1: Characteristics of a MOSFET
Prelab: Watch tutorial: https:/vimeo.com/76493761
Connect the circuit shown above. The IRF510 is packaged in the so-called T0-220 show
ENEE 205, Spring 2016
Problem Set 2
Issued: Feb 01, 2015
Due: Feb 08, 2015
Problem 2.1
v1
i1
i2
v2
v3
i4
i3
v6
v5
v4
i5
i6
v7
v8
i8
i7
i9
v9
(a) Copy the above circuit, then clearly label all of the nodes in the circuit. (Please use
the designations A, B,
ENEE 205, Spring 2016
Problem Set 6
Issued: Mar 01, 2015
Due: Mar 08, 2015
Problem 6.1
3 k
2 k
v2
24 V
4 k
6 k
6 mA
(a) Use the method of superposition to calculate the voltage v2 in the above circuit.
(b) Determine whether the current source is supplying
ENEE 205, Spring 2016
Problem Set 3
Issued: Feb 08, 2015
Due: Feb 15, 2015
Problem 3.1
Let z denote a complex variable
z D x C jy D re j
The complex conjugate of z is denoted by z and is given by
z D x
jy D re
j
Derive each of the following relations, whe