Electronic Devices & Circuits - Exam Preparation Guide

A comprehensive exam preparation resource for Diodes and Transistors (BJT & MOSFET) designed for BSc CSE/EEE students at Uttara University.

About

This project provides a well-structured, professionally designed HTML document containing 60 marks worth of questions and answers covering fundamental topics in electronic devices. Created to help students prepare effectively for their final examinations.

Author: Asikur Rahman
Institution: Uttara University
Purpose: Educational resource for fellow students

Topics Covered

Section A: Diodes (10 Marks)

• Definition and Symbol
• Types of Diodes (PN Junction, Zener, LED, Photodiode, etc.)
• V-I Characteristics with detailed curve analysis
• Applications in circuits

Section B: BJT Transistors (20 Marks)

• BJT Definition with NPN and PNP symbols
• Three Configurations (Common Emitter, Common Base, Common Collector)
• Operating Modes (Active, Saturation, Cutoff, Inverse Active)
• Types and Characteristics
• Applications in amplification and switching

Section C: MOSFET (8 Marks)

• MOSFET definition with symbols
• Detailed BJT vs MOSFET comparison table
• Key differences and applications

Section D: Problem Solving (13 Marks)

• Current gain, amplification factor calculations
• Complete circuit analysis with step-by-step solutions
• Important formulas and typical values

Section E: Additional Topics (9 Marks)

• Transistor as Amplifier
• Transistor as Switch
• Biasing Techniques
• Early Effect
• Advantages and Disadvantages

Features

• Professional Design: Modern gradient styling with clean, readable layout
• SVG Diagrams: Accurate technical drawings for all symbols and circuits
• Complete Solutions: Step-by-step mathematical problem solving
• Comparison Tables: Easy-to-understand comparative analysis
• Inline CSS: Single HTML file, no external dependencies
• Mobile Responsive: Works on all devices
• Print-Friendly: Can be printed for offline study

How to Use

Method 1: Direct Download

1. Download the exam-prep-diodes-transistors.html file
2. Open it in any web browser (Chrome, Firefox, Safari, Edge)
3. Study the content or print it for offline use

Method 2: Clone Repository

git clone https://github.com/yourusername/electronics-exam-prep.git
cd electronics-exam-prep
# Open exam-prep-diodes-transistors.html in your browser

Method 3: View Online

Simply open the HTML file using GitHub's HTML preview or host it on GitHub Pages.

Screenshots

The document includes:

• Color-coded sections for easy navigation
• Professional header with exam information
• Clean question-answer format with marks allocation
• SVG circuit diagrams and component symbols
• Formula boxes with yellow highlighting
• Comparison tables with hover effects
• Note boxes for important information

Study Tips

1. Start with Basics: Begin with diode definitions and characteristics
2. Understand BJT Thoroughly: Focus on configurations and operating modes
3. Practice Problems: Work through the mathematical examples multiple times
4. Use Comparison Tables: Memorize BJT vs MOSFET differences
5. Review Formulas: Keep the formula section handy during practice

Course Information

Suitable for:

• BSc in Computer Science & Engineering (CSE)
• BSc in Electrical & Electronics Engineering (EEE)
• Electronic Devices & Circuits course
• Analog Electronics fundamentals

Exam Coverage:

• Theory Questions: 40 marks
• Mathematical Problems: 20 marks
• Total: 60 marks

Contributing

This is an educational resource. If you find any errors or want to suggest improvements:

1. Fork the repository
2. Create your feature branch (git checkout -b feature/improvement)
3. Commit your changes (git commit -m 'Add some improvement')
4. Push to the branch (git push origin feature/improvement)
5. Open a Pull Request

Topics for Future Updates

• More solved numerical problems
• FET and JFET detailed coverage
• Amplifier circuit designs
• Oscillator circuits
• Power electronics basics

License

This project is created for educational purposes and is free to use for students at Uttara University and beyond.

Acknowledgments

• Uttara University Faculty for course content guidance
• Fellow students for feedback and suggestions
• Open-source community for inspiration

Contact

Asikur Rahman
Uttara University

For questions, suggestions, or collaboration:

• Create an issue in this repository
• Reach out via university email

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Note: This resource is meant to supplement your course materials, not replace them. Always refer to your official textbooks and lecture notes for complete understanding.

Good luck with your exams! 🎓

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