MAGNETIC EFFECT OF ELECTRIC CURRENT | Ampere's law | L-07 | Class - 12 Physics | JEE | NEET | Boards

MAGNETIC EFFECT OF ELECTRIC CURRENT | Ampere's law and applications 🎯 JEE Main | JEE Advanced | NEET | CBSE | Boards | Class 12 Physics Welcome to the Complete Chapter: Magnetic Effect of Electric Current with Er. SK Sharma Sir, where we cover the chapter from fundamental concepts to JEE Advanced & NEET level problem solving. This course is designed to help students understand Magnetic Fields, Magnetic Forces, Ampere’s Law, Biot-Savart’s Law, Magnetic Torque and Moving Coil Galvanometer with complete conceptual clarity and extensive problem practice. 👨‍🏫 Faculty: Er. SK Sharma Sir 🎓 B.Tech | 13+ Years Teaching & Mentoring Experience 🏆 Guided 10,000+ JEE & NEET Aspirants 🌟 Mentored 1000+ Selections in IITs, NITs & Government MBBS Colleges COMPLETE TOPICS COVERED 📌 1. MAGNETIC FIELD & BIOT-SAVART’S LAW ✅ Magnetic Effect of Electric Current ✅ Concept of Magnetic Field ✅ Magnetic Field Lines & Properties ✅ Direction of Magnetic Field ✅ Right-Hand Thumb Rule ✅ Biot-Savart’s Law – Concept & Derivation ✅ Magnetic Field due to Current-Carrying Conductor ✅ Magnetic Field due to Straight Current-Carrying Wire ✅ Magnetic Field due to Infinitely Long Straight Wire ✅ Magnetic Field due to Finite Wire ✅ Magnetic Field due to Circular Current-Carrying Loop ✅ Magnetic Field at Centre of Circular Loop ✅ Magnetic Field on Axis of Circular Loop ✅ Magnetic Field due to Circular Arc ✅ Magnetic Field due to Combination of Conductors ✅ Superposition of Magnetic Fields 📌 2. AMPERE’S CIRCUITAL LAW ✅ Ampere’s Circuital Law ✅ Concept & Mathematical Formulation ✅ Applications of Ampere’s Law ✅ Magnetic Field due to Infinite Straight Wire ✅ Magnetic Field inside & outside a Solenoid ✅ Magnetic Field due to Toroid ✅ Symmetry-Based Applications ✅ Biot-Savart Law vs Ampere’s Law ✅ Advanced Problems Based on Ampere’s Law 📌 3. MAGNETIC FORCE & LORENTZ FORCE ✅ Force on a Moving Charge in Magnetic Field ✅ Lorentz Force ✅ Force on a Charged Particle in Magnetic Field ✅ Motion of Charged Particle in Uniform Magnetic Field ✅ Circular Motion of Charged Particle ✅ Radius of Circular Path ✅ Time Period & Frequency ✅ Helical Motion ✅ Velocity Selector ✅ Crossed Electric & Magnetic Fields ✅ Force on Current-Carrying Conductor ✅ Direction of Magnetic Force 📌 4. FORCE BETWEEN PARALLEL CURRENT-CARRYING WIRES ✅ Force between Two Parallel Current-Carrying Wires ✅ Attraction & Repulsion Between Parallel Currents ✅ Force per Unit Length ✅ Direction of Force ✅ Applications & Conceptual Problems ✅ Numerical Problems Based on Parallel Wires 📌 5. MAGNETIC TORQUE & CURRENT LOOP ✅ Torque on a Current-Carrying Loop in External Magnetic Field ✅ Magnetic Dipole Moment ✅ Current Loop as a Magnetic Dipole ✅ Torque on Magnetic Dipole ✅ Stable & Unstable Equilibrium ✅ Potential Energy of Magnetic Dipole ✅ Current Loop in Uniform Magnetic Field ✅ Applications of Magnetic Torque 📌 6. MOVING COIL GALVANOMETER ✅ Moving Coil Galvanometer – Principle ✅ Construction & Working ✅ Torque Acting on Galvanometer Coil ✅ Magnetic Field & Radial Magnetic Field ✅ Current Sensitivity ✅ Voltage Sensitivity ✅ Figure of Merit ✅ Galvanometer Equation ✅ Galvanometer to Ammeter Conversion (G → A) ✅ Shunt Resistance ✅ Increasing Ammeter Range ✅ Galvanometer to Voltmeter Conversion (G → V) ✅ Series Resistance ✅ Increasing Voltmeter Range ✅ Ideal Ammeter & Voltmeter ✅ Numerical Problems on Galvanometer Conversion 🧠 COMPLETE PROBLEM-SOLVING PRACTICE 🔥 Concept Building Questions 🔥 Class Practice Problems 🔥 Basic → Moderate → Advanced Problems 🔥 JEE Main Practice Problems 🔥 JEE Advanced Practice Problems 🔥 NEET Numerical Problems 🔥 Previous Year Questions (PYQs) 🔥 Multi-Concept Questions 🔥 NCERT-Based Questions 🔥 Important Board Questions 🔥 Advanced Application Problems 🔥 Exam-Oriented Shortcuts & Techniques 🔥 Common Mistakes & Important Concepts 🚀 SPECIAL FEATURES OF THE COURSE 📒 Daily Notes & PPT Provided 📝 Structured Class Notes ❓ Instant Doubt Clearance 💬 Additional Doubt Support System 🎥 Live & Interactive Classes 📺 Additional Recordings for Backup 🔥 Regular Class Practice 🎯 JEE/NEET-Oriented Problem Solving 📚 PYQs & Exam-Oriented Questions 🧠 Concept → Application → Advanced Approach 🎯 PERFECT FOR 🔹 JEE Main 🔹 JEE Advanced 🔹 NEET / NEET 2027 🔹 CBSE Class 12 Physics 🔹 Board Examinations 🔹 State Boards 🔹 Physics Foundation 🔹 Students looking for Free Online Physics Classes 📖 CHAPTER Magnetic Effect of Electric Current 👨‍🏫 FACULTY Er. SK Sharma Sir #MagneticEffectOfElectricCurrent #MovingChargesAndMagnetism #MagneticField #BiotSavartsLaw #AmpereLaw #AmpereCircuitalLaw #MagneticForce #LorentzForce #MagneticTorque #MagneticDipole #MovingCoilGalvanometer #Galvanometer #GToA #GToV #JEEPhysics #JEEMain #JEEAdvanced #NEETPhysics #NEET2027 #Class12Physics #CBSEPhysics #PhysicsPYQ #PhysicsNumericals #FreeOnlinePhysics #FreePhysicsClasses #PhysicsLecture #SKSharmaSir #IITJEE #NIT #BoardExam #PhysicsForJEE #PhysicsForNEET