"फैक्स मशीन क्या है और यह दस्तावेज़ भेजती कैसे है? | Bihar Board PYQ | Physics |

📢 बिहार बोर्ड इंटर 2026 फिजिक्स छात्रों के लिए सबसे ज़रूरी वीडियो!
यह सवाल Previous Year Question (PYQ) में पूछा जा चुका है 📘

इस वीडियो में हमने बताया है —
💡 फैक्स मशीन क्या होती है और यह दस्तावेज़ का प्रेषण (Transmission) कैसे करती है, जो Chapter 14 Communication Devices का बेहद Important Concept है।

🎯 इस वीडियो से आपको मिलेगा:
✅ फैक्स मशीन का Working Principle (Step by Step Explanation)
✅ Board Exam PYQ का पूरा Concept
✅ Short Trick से याद करने का तरीका
✅ 2025 के पूछे गए सवाल + 2026 के Expected Question

💪 Concept Clear = 400 पार Guarantee!
इस वीडियो को One Copy में लिखो और दोस्तों के साथ शेयर करो ताकि सबका Concept Strong बने 🔥



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