Electromagnetic Theory | One Short Revision | CSIR NET JULY 2026 | L-1 | IFAS

Electromagnetic Theory | One Short Revision | CSIR NET JULY 2026 | L-1 | IFAS explained with clear concepts and exam-focused approach. This one-shot revision covers Electrostatics & Magnetostatics formulas, PYQ tricks, and boundary conditions for CSIR NET, GATE, and IIT JAM aspirants aiming for high scores. 🔥Join India's Best Coaching for CSIR NET and GATE Exams: https://ifasonline.com/csir-net/physi... 📞 Need Guidance? Call/WhatsApp: 9172266888 ━━━━━━━━━━━━━━━━━━━━━━━━━ ⏳ Lecture Timeline: [00:00:00] – Introduction of Electromagnetic Theory [00:05:51] – Charge Densities [00:12:07] – Coulomb’s Law [00:13:37] – E-Field & Potential [00:18:08] – Gauss Law & Flux Trick [00:23:17] – Conducting Sphere [00:27:28] – Non-Conducting Sphere [00:29:44] – Trick: V_center = 1.5 V_surface [00:31:53] – Charged Ring Formula [00:41:12] – Q1: Flux through XZ Plane [00:45:15] – Method of Images [00:51:51] – Grounded Plane (Half Factor) [01:03:02] – Grounded Sphere Formula [01:06:18] – Dipole: Potential & Field [01:08:09] – Multipole Dependence (1/r^n) [01:10:54] – Dielectrics (D & P Relations) [01:14:23] – Force on Dielectric Slab [01:19:00] – Biot-Savart Law [01:21:55] – Field: Finite/Infinite Wire [01:29:31] – Ampere’s Law & Solenoid [01:35:14] – Lorentz Force [01:35:50] – Circular Motion in B-Field [01:39:03] – Helical Motion & Pitch [01:44:08] – Force Between Two Wires [01:46:22] – Torque: Uniform vs Non-Uniform [01:49:44] – Dipole Interaction Energy [01:55:48] – Curl of B & Vector Potential [02:03:52] – Boundary Conditions Trick [02:07:01] – Faraday’s & Lenz’s Law [02:14:48] – Maxwell’s Equations [02:17:24] – E ⊥ B ⊥ k (EM Wave) [02:18:49] – Poynting Vector & Energy [02:21:21] – Radiation Pressure [02:21:56] – Wave Impedance (377 Ω) [02:24:47] – Complete Session (Electromagnetic Theory) ━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Topics Covered in This Lecture: • Charge Densities & Coulomb’s Law PYQ Tricks • Gauss Law Applications: Sphere, Sheets, Cube Flux • Electric Potential & Field for Conducting/Non-Conducting Spheres • Capacitors, Dielectrics & Polarization Formulas • Multipole Expansion & Dipole Potential Energy • Biot-Savart & Ampere’s Law for Magnetic Field • Lorentz Force, Cyclotron Motion & Magnetic Dipole • Vector Potential, Boundary Conditions & Maxwell’s Equations • EM Waves, Poynting Vector & Radiation Pressure ━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 Lecture Summary: In this session, IFAS Expert Faculty focuses on a one-shot revision of Electromagnetic Theory, covering all crucial electrostatics and magnetostatics formulas, Gauss law tricks, capacitor combinations, and magnetic dipole analogies. Problem-solving shortcuts for PYQs, such as flux calculation via symmetry and boundary condition derivations, are emphasized. This Electromagnetic Theory revision is tailored for quick recall and exam-ready confidence. ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 This lecture is highly beneficial for students preparing for: ✅ CSIR NET Physical Science ✅ GATE Physics ✅ JEST Physics ✅ TIFR Physics ✅ BARC / DRDO / ISRO Exams ✅ SET / PhD Entrance Exams ━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 Why IFAS is India’s No. 1 Choice for CSIR NET & GATE Physics? (Our Results Speak): ✅ CSIR NET Dec 2025: 4000+ Selections (AIR 3, 8, 9.....) ✅ CSIR NET June 2025: 4200+ Selections (AIR 1, 2, 6, 10...) ✅ CSIR NET Dec 2024: 4000+ Selections (AIR 5, 6, 7, 8, 9...) ✅ CSIR NET June 2024: 2000+ Selections (AIR 3, 10, 13...) ✅ CSIR NET Dec 2023: 1200+ Selections (AIR 2, 4, 5...) 📄 View IFAS Result Sheet: 👉 https://drive.google.com/file/d/1THh6... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 Important Links: 🌍 Visit our Website: https://ifasonline.com 📞 Contact for Queries: 9172266888 📘 Free Counselling: https://ifasonline.com/csir-net/physi... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 India's Best Online Classes and Books: 🔥CSIR NET Physical Science Live & Recorded Course: https://ifasonline.com/csir-net/physi... 🎯 GATE Physics Recorded Course: https://ifasonline.com/gate/physical-... 📘CSIR NET Physical Science Books: https://ifasonline.com/csir-net/physi... ━━━━━━━━━━━━━━━━━━━━━━━━━ 📲 Download IFAS App: Android: https://play.google.com/store/apps/de... IOS: https://apps.apple.com/us/app/ifas/id... ━━━━━━━━━━━━━━━━━━━━━━━━━ Stay Updated Via Other Social Media: ✔ Telegram: https://t.me/csir_net_gate_physics ✔ Instagram:   / csir_net_physical_science   #electromagnetictheory #oneshotrevision #csirnetjuly2026 #csirnetphysicalscience #gatephysics #csirnetphysics #csirnetjune2026 #csirnetlecture #ifasphysics