Magnetic Fields Due to Electric Current | Lecture 4 | 12th Physics Maharashtra Board |
Physics Academy { Nurturing Minds } · 46:09 · Watch on YouTube
This lecture derives the axial magnetic field of a circular current loop as B = μ0 I R² / 2(R²+z²)^(3/2) and then introduces magnetic field lines and Ampere's law for solenoids and toroids, framed as an exam-important...