Strategies for revising and understanding semiconductor devices in Electrical Engineering:

1. Understand the Basics:
- Start by revising the fundamental concepts of semiconductor devices, such as the behavior of p-n junctions, diodes, transistors, and their characteristics.
- Review the concept of band theory, energy bands, and the role of doping in semiconductors.
- Familiarize yourself with the equations and formulas used to describe semiconductor behavior.

2. Study Device Characteristics:
- Understand the operating principles of different semiconductor devices, such as diodes, transistors (both bipolar junction transistors and field-effect transistors), and integrated circuits.
- Review the voltage-current relationships, transfer characteristics, and output characteristics of these devices.
- Study the different modes of operation for devices, such as cutoff, saturation, and active regions.

3. Analyze Circuit Applications:
- Explore the applications of semiconductor devices in various electrical circuits, such as amplifiers, oscillators, rectifiers, and logic gates.
- Understand the behavior and characteristics of these devices in different circuit configurations.
- Analyze the role of biasing and feedback in circuit design and performance.

4. Practice Numerical Problems:
- Solve numerical problems related to semiconductor devices to strengthen your understanding of the concepts.
- Practice solving problems involving diode circuits, transistor biasing, small-signal analysis, and amplifier design.
- Work on sample problems from textbooks, previous exam papers, and online resources like EduRev, which provide a wide range of practice questions.

5. Perform Laboratory Experiments:
- Participate in laboratory experiments to gain hands-on experience with semiconductor devices.
- Perform experiments involving diode and transistor characteristics, biasing, and amplification.
- Analyze the experimental results, compare them with theoretical predictions, and identify any discrepancies.

6. Utilize Visual Aids and Resources:
- Utilize visual aids such as circuit diagrams, graphs, and illustrations to enhance your understanding of semiconductor device behavior.
- Refer to textbooks, lecture notes, and online resources that provide detailed explanations, diagrams, and examples.
- Use educational platforms like EduRev, which offer comprehensive study materials, tutorials, and practice quizzes specifically designed for electrical engineering topics.

7. Join Study Groups:
- Collaborate with peers and join study groups to discuss and clarify concepts related to semiconductor devices.
- Engage in group discussions, share knowledge, and solve problems collectively.
- Teaching and explaining concepts to others can also help solidify your own understanding.

By following these strategies, you can effectively revise and understand semiconductor devices in Electrical Engineering. It is important to approach the subject with a combination of theoretical knowledge, practical experimentation, and problem-solving skills to gain a comprehensive understanding of semiconductor behavior and its applications in electrical circuits.