There are several online competitions and challenges related to electrical engineering that you can participate in to enhance your knowledge and skills in the subject. These competitions provide a platform for students to showcase their abilities, learn from others, and gain recognition in the field of electrical engineering. Here are some popular competitions and challenges that you can consider participating in:

1. IEEE Xtreme Programming Competition:
- This is a global challenge organized by the Institute of Electrical and Electronics Engineers (IEEE).
- It is a 24-hour coding competition where participants solve a series of programming problems related to electrical engineering.
- The competition encourages teamwork and problem-solving skills while promoting innovation and creativity.

2. MathWorks Math Modeling Challenge:
- This challenge focuses on applying mathematical modeling techniques to solve real-world electrical engineering problems.
- Participants are required to analyze, model, and provide solutions to the given problem statement within a specified time frame.
- The challenge helps in developing critical thinking, analytical, and problem-solving skills.

3. National Robotics Challenge:
- This competition involves designing and building robots to solve specific electrical engineering challenges.
- Participants are required to develop autonomous robots capable of performing tasks such as line following, obstacle avoidance, and object manipulation.
- The challenge provides hands-on experience in electrical engineering principles, control systems, and programming.

4. NASA Space Apps Challenge:
- This global hackathon organized by NASA invites participants to solve space-related challenges using their technical skills.
- Electrical engineering students can contribute by developing innovative solutions related to satellite communication, power systems, or hardware design.
- The challenge offers opportunities to collaborate with experts and professionals in the field of aerospace engineering.

5. EduRev Online Quiz Competitions:
- EduRev, an online learning platform, organizes regular online quiz competitions on various subjects, including electrical engineering.
- These quizzes cover a wide range of topics and allow participants to test their knowledge, identify areas of improvement, and compete with other students.
- Participating in these quizzes can help you assess your understanding of electrical engineering concepts and stay updated with the latest developments in the field.

Participating in these competitions and challenges not only helps you gain practical knowledge and skills but also boosts your confidence and enhances your profile. Remember to check the eligibility criteria, registration process, and deadlines for each competition before participating. Good luck!