How a Water Level Indicator Works? | Physics Project with Alarm | Physics Investigatory Project

In this video, I demonstrate a Water Level Indicator with Alarm as a Physics project, suitable for Class 9, Class 10, Class 11, and Class 12 students.

We cover:
✅ What is a water level indicator
✅ Why water level monitoring is important
✅ Circuit components and working principle
✅ How the alarm/buzzer activates at high water level
✅ Step-by-step working demonstration
✅ Applications in homes, tanks, and industries

This project is ideal for Physics investigatory projects, school science exhibitions, and water conservation awareness models.

📌 Topics covered in this video:
00:00 – Introduction
00:40 – Problem of water overflow
02:00 – Principle of water level indicator
04:00 – Circuit & components
06:30 – Working demonstration
08:30 – Applications & advantages
10:00 – Conclusion

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💬 Comment if you want:
– Project file PDF
– Circuit diagram
– Viva questions

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