Yes, you can use online video lectures or tutorials to study the electrical engineering optional subject.

Advantages of using online video lectures or tutorials:
- Flexibility: Online video lectures and tutorials provide the flexibility to study at your own pace and convenience. You can access the content anytime and anywhere, allowing you to fit your study schedule around other commitments.
- Visual Learning: Videos are a great medium for visual learners as they provide a visual representation of concepts, diagrams, and practical demonstrations. This can make it easier to understand complex electrical engineering topics.
- Comprehensive Content: Online video lectures and tutorials often cover the entire syllabus of the subject, providing a comprehensive learning experience. They can cover theoretical concepts, practical applications, and problem-solving techniques, giving you a well-rounded understanding of the subject.
- Expert Instruction: Many online platforms offer video lectures and tutorials by experienced instructors who are experts in the field of electrical engineering. Their expertise and teaching skills can help clarify difficult concepts and provide valuable insights.
- Revision and Review: Online video lectures and tutorials can be revisited as many times as needed, allowing for effective revision and review of the material. This can be especially useful when preparing for exams or refreshing your knowledge after a break.
- Supplementary Resources: Online platforms often provide supplementary resources such as lecture notes, quizzes, practice questions, and assignments to reinforce the learning process. These resources can further enhance your understanding and help you practice and apply the concepts learned.
- Cost-effective: Online video lectures and tutorials are generally more cost-effective compared to traditional classroom coaching or buying textbooks. Many platforms offer free or affordable access to high-quality educational content.

Using EduRev for electrical engineering optional subject:
EduRev is an educational platform that offers a wide range of online video lectures and tutorials for various subjects, including electrical engineering. It provides a comprehensive collection of study materials, including video lectures, notes, practice questions, and quizzes. Here's how you can use EduRev for studying the electrical engineering optional subject:

1. Visit the EduRev website or download the EduRev app on your mobile device.
2. Create an account or log in if you already have one.
3. Search for the electrical engineering optional subject or browse through the relevant category.
4. Explore the available video lectures and tutorials and choose the ones that align with your syllabus or topics of interest.
5. Watch the video lectures, take notes, and try to understand the concepts thoroughly.
6. Use the provided lecture notes and supplementary resources to reinforce your learning.
7. Solve practice questions and quizzes to test your understanding and improve your problem-solving skills.
8. Repeat the process for different topics or revisit the videos and resources for revision purposes.

Remember to stay consistent, dedicated, and actively engage with the material to make the most out of online video lectures and tutorials.