Class 12th Physics | electric fields due to infinitely long charged wire | by Mangesh sir | NEET/JEE

In this video, Mangesh Sir dives deep into a crucial topic for Class 12th physics students: the electric field due to an infinitely long charged wire. This lecture is a must-watch for anyone preparing for board exams or competitive entrance tests like JEE and NEET. Mangesh Sir breaks down this complex topic into easy-to-understand concepts. What you will learn in this video: Gauss's Law: A quick revision of this fundamental principle. The Problem: We'll start by defining the physical problem of an infinitely long charged wire. Gaussian Surface: How to choose the right Gaussian surface (a cylinder) to solve the problem efficiently. Derivation: A step-by-step, detailed derivation of the formula for the electric field, E = \frac{\lambda}{2\pi\epsilon_0 r}. Key Concepts: We will explain the meaning of linear charge density (\lambda) and its role in the calculation. Conceptual Clarity: The video focuses on building a strong conceptual foundation, not just memorizing the formula. Why watch this video? Clear Explanations: Mangesh Sir's teaching style is known for making difficult topics simple. Detailed Derivation: Every step of the derivation is explained, so you'll never feel lost. Exam-Oriented: The content is specifically tailored to help you score high marks in your exams. Don't forget to like, share, and subscribe to the channel for more physics lectures!