Uses of Permanent Magnets | AC Generator & Loudspeaker | Class 9 Physics | chapter 8 magnetism

In this lecture, we discuss the *Uses of Permanent Magnets* from Chapter 8: Magnetism (9th Class Physics, PTB 2025). 📘 Topics Covered: ✔️ Role of Permanent Magnets in AC Generator ✔️ How Loudspeakers Work Using Magnets ✔️ Real-life Applications of Permanent Magnets ✔️ Explanation with diagrams and examples This topic is important for board exams and is explained in easy Urdu/Hindi for better understanding. 🎥 Watch Full Chapter Playlist:    • Magnetism chapter 8 | 9th class new physic...   🔔 Subscribe now for more solved lectures: @TheLecturerGroup #PermanentMagnets #ACGenerator #Loudspeaker #9thClassPhysics #PTB2025 #TheLecturerGroup