15. AMPERE'S CIRCUITAL LAW🔥 MAGNETIC FIELD Numericals & Conceptual Questions | CBSE, NEET, JEE-IIT

CHAPTER 4 :- MOVING CHARGES & MAGNETISM:    • CHAPTER 4 :- MOVING CHARGES & MAGNETISM   📚 Class 12 Physics | Chapter 4: Moving Charges and Magnetism In this video, we will solve important numerical and conceptual questions from Moving Charges and Magnetism. These questions focus on understanding magnetic fields, applying the right concepts, and developing the problem-solving skills needed for board and competitive examinations. If you find magnetic field numericals confusing, this session will help you understand how to approach them logically, step by step. 🔍 KEYWORDS class 12 physics, moving charges and magnetism, class 12 physics chapter 4, moving charges and magnetism numericals, magnetic field numericals, magnetic field due to solenoid, magnetic field inside conductor, cylindrical hole magnetic field, current carrying pipe magnetic field, ampere circuital law numericals, class 12 physics important questions, CBSE class 12 physics, state board physics, NEET physics numericals, JEE Main physics, JEE Advanced physics, physics in Hindi, 12th physics 🔥 Topics Covered in This Video ✅ 1. Magnetic Field Due to a Current-Carrying Pipe Magnetic field at different points inside and outside a current-carrying pipe. Finding an unknown current using the magnitude and direction of the magnetic field. Comparing magnetic fields at two different points. ✅ 2. Magnetic Field Due to a Cylindrical Conductor with a Hole Understanding the magnetic field produced by a conductor containing a cylindrical hole. Applying the principle of superposition to solve the problem. Finding the magnetic field at the centre of the hole. ✅ 3. Magnetic Field at the Centre of a Solenoid Solenoid with two layers of turns. Inner and outer windings carrying currents in opposite directions. Calculating the net magnetic field at the middle of the solenoid. ✅ 4. Solenoid: Change in the Number of Turns Understanding what happens to the magnetic field when a solenoid is divided and its turns are rearranged. Conceptual application of the magnetic field formula for a solenoid. ✅ 5. Magnetic Field Inside a Solid Current-Carrying Conductor A long solid conductor carrying current. Finding the magnetic field at a point inside the conductor. Understanding the role of the conductor's radius, current and relative permeability. ✅ 6. Ampere's Circuital Law – Magnetic Field and Current Evaluating the line integral of the magnetic field around different loops. Identifying the current enclosed by each loop. Applying Ampere's circuital law to conceptual diagrams. 🎯 Who Should Watch This Video? This video is useful for: Class 12 Physics students preparing for CBSE and state board examinations. Students preparing for NEET and JEE Main/JEE Advanced. Students revise Moving Charges and Magnetism before exams. Anyone who wants to improve their understanding of magnetic fields and numerical problem-solving. 💡 Why Practise These Questions? Physics becomes easier when you understand the concept behind a formula instead of simply memorising it. These problems connect magnetic field theory with practical applications of Ampere's circuital law, the principle of superposition, and the magnetic field of a solenoid. Watch the complete video, pause wherever necessary, and try solving each question yourself before moving to the next step. Consistent practice will help you develop confidence in tackling unfamiliar numerical problems. 📌 Chapter: 4 – Moving Charges and Magnetism 📌 Class: 12th Physics 📌 Examination Preparation: CBSE | State Boards | NEET | JEE Main | JEE Advanced If this lesson helps you understand the concepts better, please LIKE the video, SHARE it with your friends, and SUBSCRIBE to the channel for more Class 12 Physics lessons, important numericals, conceptual questions, and exam-focused revision. 💬 Comment below: Which question did you find the most challenging? Let's make Physics easier through clear concepts and regular practice! #Class12Physics #MovingChargesAndMagnetism #MagneticField #CBSEPhysics #PhysicsNumericals #NEETPhysics #JEEMain #JEEAdvanced #AmpereCircuitalLaw #Solenoid