The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 3 Solutions
Q1. In the circuit shown below the Node voltages are V 1 =8V, V2 = 30V and V3 = 36V.
Dete
Lecture 1 (Week 3)
Node Voltage Analysis
Dr. Mohammad SALAY NADERI
Room 305@G17
m.salaynaderi@unsw.edu.au
Recap
The equivalent resistance of N number of resistors connected in
series is the sum of the individual resistances.
N
Req = R1 + R2 + + Rn = Rn
n
The University of New South Wales
School of Electrical Engineering & Telecommunications
ELEC1111
LABORATORY
Name:
Student No:
2
LABORATORY Elec1111. 3
AIMS . 3
INTRODUCTION . 4
REQUIREMENTS - to be purchased . 4
LABORATORY EQUIPMENT . 4
LABORATORY RECORDS
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 4 - Solutions
Q1 Superposition
4kW
12V
10kW
3mA
6kW
9mA
I
Analyse the circuit one source at a time an
Lecture 1 (Week 2)
Circuit Elements
&
Kirchhoff's Laws
Dr. Mohammad SALAY NADERI
Room 305@G17
m.salaynaderi@unsw.edu.au
Elements that
generate electrical
energy
Circuit (Network) Elements
Active Elements
Elements that
consume electrical
energy
Passive Ele
Lecture 1 (Week 4)
Circuit Theorems
Dr. Mohammad SALAY NADERI
Room 305@G17
m.salaynaderi@unsw.edu.au
1
Motivation
Determine the voltage across the 2 resistor.
V
Nodal analysis
20 v
v
+ 8 = v = 30V
5
5
2
v0 = x 30 = 12V
5
Are there any other alternative(s)
Lecture 1 (Week 5)
Capacitors and Inductors
Dr. Mohammad SALAY NADERI
Room 305@G17
m.salaynaderi@unsw.edu.au
Capacitors
2
Construction
A capacitor is a passive element designed to store energy in
its electric field.
A capacitor consists of two conductin
Lecture 1 (Week 5)
Capacitors and Inductors
Dr. Mohammad SALAY NADERI
Room 305@G17
m.salaynaderi@unsw.edu.au
Capacitors
2
Construction
A capacitor is a passive element designed to store energy in
its electric field.
A capacitor consists of two conductin
Lecture 1 - Week 8
AC System Fundamentals
Dr. Mohammad SALAY NADERI
Room 305@G17
m.salaynaderi@unsw.edu.au
DC Vs AC
A voltage supplied by a DC
source has a certain polarity
& remains constant.
AC varies in polarity and
magnitude. The polarity
changes peri
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
TUTORIAL 1 - Week 2
Charge & Current SOLUTIONS
Q1.
If the current in a wire is given by the following function
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 6 - Inductors & Capacitors
Q1
A 30F capacitor has a voltage of 8V across it at t=0. If a constant cur
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 5 - Week 6 - Circuit Theorems
Q1
Use superposition to calculate I for the circuit shown below. (-1.8
Sub grade()
'Example of a chain of if statements
Dim mark As Integer
Dim grade As String
mark = 10
If mark >= 85 Then
grade = "HD"
ElseIf mark >= 75 Then ' And Not (mark >= 85)
grade = "DN"
ElseIf mark >= 65 Then
grade = "CR"
ElseIf mark >= 50 Then
grade
Faculty of Engineering
School of Electrical Engineering & Telecommunications
ELEC 1111
Electrical and Telecommunications
Engineering
SESSION 1, 2012
ELEC1111
Electrical and
Telecommunications Engineering
School of Electrical Engineering
and Telecommunicat
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 7 - Response of RC and RL circuits
Q1
A circuit containing a single inductor is at steady state until
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
TUTORIAL 1 - Week 2
Charge & Current
Q1.
If the current in a wire is given by the following functions of time,
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 2 - Week 3 - Kirchhoff's laws
Q1. In the figure below a voltage source and two resistors are connecte
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 3 - Network reduction & voltage-current division
Q1
What is the power dissipated in the 40 ohm resist
The University of New South Wales
School of Electrical Engineering and Telecommunications
ELEC1111
Electrical and Telecommunications Engineering
Tutorial 4 - Week 5 - Node & Mesh Analysis
Q1. In the circuit shown below the Node voltages are V 1 =8V, V2 =
Sheet
StuRec
Correlation
Trendline
CO2Trendline
Operations
show simple stats, add rounded total and ranks, create bins, histogram, run descriptive statistics
add chart (second Y axis via Format menu), correlation
add trendlines with display options; how h