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Circuit Analysis-1 Fall-2014
EE -1111
Instructor: Hafiz Zaheer Hussain
Email: zaheer.hussain@ee.uol.edu.pk
www.hafizzaheer.pbworks.com
Department of Electrical Engineering
The University of Lahore
Lecture # 1& 2
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Instructor
Hafiz Zaheer Hussain
MS Electrical Engineering*
By the Grace of Almighty Allah,
Awarded Rector Gold Medal in 2013
Three Time Rector Merit Award on scoring GPA 4.0 in 2010,2011 and 2012
One Time Dean Merit Award on scoring GPA 3.96 in 2013
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What do an Electrical
Engineer do?
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What do an Electrical Engineer do?
•
•
•
•
•
Electrical Engineers
Design,
Construct,
Analyze and
Improve electrical and electronic
components and systems in all shapes and
sizes.
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Circuit Analysis- 1
Textbook:
• Fundamentals of Electric 5th or 4th Edition by
Alexander/Sadiku
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Grading Policy:
• Quizzes:
10%
• Assignment:
05%
• Class Participation: 05%
• Midterm:
20%
• Final:
40%
• Lab:
20%
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Grade Distribution
MARKS
=>85
=>80
=>75
=>70
=>65
GRADE
A
AB+
B
C+
=>60
=>55
=>50
Less then 50
C
D+
D
F
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Attendance Policy
• 80% attendance required for siting
in final exam
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OBJECTIVES: CHAPTER 1
•
Understand the basic SI units and SI prefixes
•
Learn about the concepts of charge, current, and voltage
•
Learn about power and energy
•
Become familiar with the passive sign convention
•
Learn about the circuit elements including dependent and
independent sources
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 1.1 Introduction
1.2 Systems of Units
1.3 Charge and Current
1.4 Voltage
1.5 Power and Energy
1.6 Circuit Element
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Circuit Analysis- 1
Introduction
• By linear we mean a circuit or device having an output that is
proportional to the input.
• An electric circuit is an interconnection of electrical elements.
• A network, in the context of electronics , is a collection of
interconnected components.
• Network analysis is the process of finding the voltages across,
and the currents through, every component in the network.
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 1.1 Introduction
 1.2 Systems of Units
1.3 Charge and Current
1.4 Voltage
1.5 Power and Energy
1.6 Circuit Element
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The SI Prefix
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 1.1 Introduction
 1.2 Systems of Units
 1.3 Charge and Current
1.4 Voltage
1.5 Power and Energy
1.6 Circuit Element
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1.3 Charge and Current
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1.3 Charge and Current
Law of Conservation of Charge
Charge cannot be created nor destroyed, only transferred
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1.3 Charge and Current
Electric Current definition
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1.3 Charge and Current
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1.3 Charge and Current
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1.3 Charge and Current
Total Charge Transfer
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1.3 Charge and Current
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Solution
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Solution
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Current direction- Arrow
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


1.1 Introduction
1.2 Systems of Units
1.3 Charge and Current
1.4 Voltage
1.5 Power and Energy
1.6 Circuit Element
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(a) Vab = 9V
(b) Vab = -9V
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