Lecture-20_Determine E at a Point P due to Concentric Conducting Cylinder

⚡ Electromagnetic Field Theory | Electrostatic | Lecture 20 *Determine E at a Point P due to Concentric Conducting Cylinder | Complete Derivation* Welcome to **Sanjib SIR – Electrical Engineering**. In this lecture, we will study how to *determine the electric field intensity \(E\) at a point \(P\) due to a concentric conducting cylinder* using **Gauss’s Law**. The complete concept is explained in a simple and step-by-step manner, including the electric field in different regions and the important results required for solving numerical problems. 📌 In this lecture, you will learn: ✅ Concept of *concentric conducting cylinders* ✅ Geometry of inner and outer conductors ✅ Application of *Gauss’s Law* ✅ Selection of the appropriate Gaussian surface ✅ Electric field inside the inner conductor ✅ Electric field in the region between the conductors ✅ Electric field outside the outer conductor ✅ Step-by-step derivation of electric field \(E\) ✅ Relationship between electric field and charge distribution ✅ Effect of inner and outer conductor dimensions ✅ Important formulas and results ✅ Solved examples ✅ Exam-oriented problem-solving approach ✅ Common mistakes and important points 🔬 Electric Field in Different Regions The electric field is analyzed according to the position of point \(P\): *1️⃣ Inside the inner conductor* $$ E = 0 $$ *2️⃣ Between the inner and outer conductors* $$ E = \frac{\lambda}{2\pi\epsilon\rho} $$ *3️⃣ Outside the outer conductor* For an ideal conducting arrangement, the external electric field is determined from the net enclosed charge and the charge distribution on the conductors. The lecture explains these cases clearly using **Gauss’s Law**. 🎯 Why is this Topic Important? Concentric conducting-cylinder structures are fundamental for understanding: ⚡ Coaxial cables ⚡ Transmission lines ⚡ Electrostatic shielding ⚡ High-voltage insulation ⚡ Cylindrical capacitors ⚡ Electric field distribution ⚡ Practical electromagnetic systems 🎓 Useful For: 📚 Electrical Engineering students 🎓 Diploma Engineering students 📝 University examinations ⚡ GATE & competitive examinations 📖 Electromagnetic Field Theory 🔌 Electrical & Electronics Engineering 📚 Subject: *Electromagnetic Field Theory* 📘 Module: *Electrostatic* 🎓 Lecture: *Lecture 20 – Determine E at a Point P due to Concentric Conducting Cylinder* --- 👍 Support the Channel If this lecture helps you understand **Electric Field due to a Concentric Conducting Cylinder**: 🔔 *Subscribe* to *Sanjib SIR – Electrical Engineering* 👍 Like the video 💬 Comment your doubts and questions 📢 Share this lecture with your friends 🔖 Hashtags #ElectromagneticFieldTheory #Electrostatic #ElectricField #ConcentricCylinder #ConductingCylinder #GaussLaw #EMFT #ElectricFieldIntensity #CoaxialCable #TransmissionLine #ElectricalEngineering #ElectricalEngineeringStudents #EngineeringStudents #GATE #ElectromagneticTheory #SanjibSIR