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Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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
Transcribed Image Text:### Electrical Circuit Analysis using Kirchhoff's Laws
#### 1. Kirchhoff's Current Law (KCL)
Using KCL, we write the expression for the current at each node (a, b, c, d).
**Circuit Diagram Overview:**
The circuit shown includes the following components:
- Several resistors and voltage sources.
- Nodes labeled as a, b, c, d.
- Various currents labeled \( i_1, i_2, i_3, i_4, i_5, i_6, i_7 \).
- Voltage sources labeled \( V_1, V_2, V_3, V_4, V_5, V_6, V_7 \).
- A current source labeled \( I_S \).
**1. Nodes Description:**
- **Node a:** Intersection of \( i_0, i_1, i_4, \) and the voltage source \( V_1 \).
- **Node b:** Intersection of \( i_1, i_2, i_5, I_S \), and the voltage source \( V_4 \).
- **Node c:** Intersection of \( i_3, i_5, i_6 \), and the voltage source \( V_6 \).
- **Node d:** Intersection of \( i_6, i_7, \) and the voltage source \( V_7 \).
---
#### 2. Kirchhoff's Voltage Law (KVL)
Using KVL, write the expression for the voltage around each closed path (a, b, c).
**Circuit Diagram Overview:**
1. **Loop a**:
- Contains voltage sources \( -V_1 \), \( V_5 \), \( V_4 \)
- Contains resistors \( R_1, R_2 \)
2. **Loop b**:
- Contains voltage sources \( V_3 \), \( V_2 \)
- Contains resistors \( R_3, R_4 \)
3. **Loop c**:
- Contains voltage sources \( -V_6 \), \( -V_7 \)
- Contains resistors \( R_5, R_6 \)
---
This information can be utilized for educational purposes to teach Kirchhoff's Circuit Laws in an Electrical Engineering curriculum. Understanding the principles of KCL and KVL is fundamental for the analysis and design of electronic circuits.
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