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# Chapter-9 : Network-Theorems; Introductory-Circuit-Analysis Notes | EduRev

## : Chapter-9 : Network-Theorems; Introductory-Circuit-Analysis Notes | EduRev

``` Page 1

Chapter 9 – Network Theorems
Introductory Circuit Analysis
Page 2

Chapter 9 – Network Theorems
Introductory Circuit Analysis
9.1 – Introduction
? This chapter introduces important fundamental
theorems of network analysis. They are the
?Superposition theorem
?Thévenin’s theorem
?Norton’s theorem
?Maximum power transfer theorem
?Substitution Theorem
?Millman’s theorem
?Reciprocity theorem
Page 3

Chapter 9 – Network Theorems
Introductory Circuit Analysis
9.1 – Introduction
? This chapter introduces important fundamental
theorems of network analysis. They are the
?Superposition theorem
?Thévenin’s theorem
?Norton’s theorem
?Maximum power transfer theorem
?Substitution Theorem
?Millman’s theorem
?Reciprocity theorem
9.2 – Superposition Theorem
? Used to find the solution to networks with two or more
sources that are not in series or parallel.
? The current through, or voltage across, an element in a
network is equal to the algebraic sum of the currents or
voltages produced independently by each source.
? Since the effect of each source will be determined
independently, the number of networks to be analyzed will
equal the number of sources.

Page 4

Chapter 9 – Network Theorems
Introductory Circuit Analysis
9.1 – Introduction
? This chapter introduces important fundamental
theorems of network analysis. They are the
?Superposition theorem
?Thévenin’s theorem
?Norton’s theorem
?Maximum power transfer theorem
?Substitution Theorem
?Millman’s theorem
?Reciprocity theorem
9.2 – Superposition Theorem
? Used to find the solution to networks with two or more
sources that are not in series or parallel.
? The current through, or voltage across, an element in a
network is equal to the algebraic sum of the currents or
voltages produced independently by each source.
? Since the effect of each source will be determined
independently, the number of networks to be analyzed will
equal the number of sources.

Superposition Theorem
?The total power delivered to a resistive element must
be determined using the total current through or the
total voltage across the element and cannot be
determined by a simple sum of the power levels
established by each source.
Page 5

Chapter 9 – Network Theorems
Introductory Circuit Analysis
9.1 – Introduction
? This chapter introduces important fundamental
theorems of network analysis. They are the
?Superposition theorem
?Thévenin’s theorem
?Norton’s theorem
?Maximum power transfer theorem
?Substitution Theorem
?Millman’s theorem
?Reciprocity theorem
9.2 – Superposition Theorem
? Used to find the solution to networks with two or more
sources that are not in series or parallel.
? The current through, or voltage across, an element in a
network is equal to the algebraic sum of the currents or
voltages produced independently by each source.
? Since the effect of each source will be determined
independently, the number of networks to be analyzed will
equal the number of sources.

Superposition Theorem
?The total power delivered to a resistive element must
be determined using the total current through or the
total voltage across the element and cannot be
determined by a simple sum of the power levels
established by each source.
9.3 – Thévenin’s Theorem
?Any two-terminal dc network can be replaced by an
equivalent circuit consisting of a voltage source and a
series resistor.
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