Varistor Explained | Working Principle, Types & Applications | Electrical Engineering | Polytechnic

📌 Varistor Explained | Working Principle, Types (VDR/MOV) & Applications | Electrical/Electronics Engineering | Diploma/Polytechnic In this video, we explain the Varistor (Voltage Dependent Resistor - VDR), an important component used for overvoltage and surge protection in electrical and electronic circuits. You’ll learn how varistors work based on non-linear resistance characteristics, along with their types (like MOV - Metal Oxide Varistor) and real-life applications. 📚 Topics Covered: What is a Varistor (VDR) Working Principle (Voltage vs Resistance characteristic) Non-linear behavior of varistors Types of varistors (MOV, Silicon Carbide, etc.) Construction and characteristics Advantages & limitations Applications in surge protection, power supplies, and circuits 🎯 Who Should Watch: Polytechnic (Diploma) Electrical & Electronics Students B.Tech / Engineering Students ITI Electrical & Electronics Students Instrumentation & Control students Beginners learning electronic components 🚀 Benefits of This Video: Clear understanding of surge protection devices Helps in exams, viva & interviews Strong concept of VDR & MOV Real-life application-based learning Useful for circuit design and protection 📢 Support the Channel: If you find this video helpful: 👍 Like | 💬 Comment | 🔔 Subscribe for more Electrical & Electronics content 📘 Recommended Courses / Playlists: Electrical Engineering Materials (Complete Series) Electronics Basics Measurements & Instrumentation Basic Electrical Engineering Electrical Machines 👉 Explore the channel for complete structured courses designed for Diploma & Polytechnic students. #Varistor #VDR #MOV #VoltageDependentResistor #SurgeProtection #OvervoltageProtection #ElectronicsBasics #ElectricalEngineering #ElectronicsEngineering #EEEMaterials #EngineeringMaterials #DiplomaEngineering #PolytechnicStudents #ElectricalDiploma #EEELecture #ElectricalConcepts #Instrumentation #IndustrialElectronics #EngineeringStudents #ExamPreparation #VivaPreparation #ConceptLearning #वेरिस्टर #वीडीआर #एमओवी #वोल्टेजडिपेंडेंटरेसिस्टर #सर्जप्रोटेक्शन #ओवरवोल्टेज #इलेक्ट्रॉनिक्सबेसिक्स #इलेक्ट्रिकलइंजीनियरिंग #इलेक्ट्रॉनिक्सइंजीनियरिंग #इंजीनियरिंगमैटेरियल #डिप्लोमास्टूडेंट #पॉलिटेक्निक #इलेक्ट्रिकलडिप्लोमा #तकनीकीशिक्षा #एग्जामतैयारी #वाइवा तैयारी #कांसेप्टलर्निंग