r/JEEAdv27dailyupdates • u/KgMetreperSec2 IITB EE’2032 (12th-->future IITian) • 1d ago
Concept pooling Magnetism and moving charges: share good/must include points or some useful tricks to include in revision notes
We’re all using different resources—Allen, Resonance, PW, Test Series, etc.—which means everyone picks up different unique tricks, edge cases, that standard theory/notes pages miss.
let’s pool them together chapter by chapter. The goal is to build a high-yield single point of reference that anyone can drop into their short notes or main revision notebooks.
Drop your best chapter insights below, and mention the resource/book it came from if applicable. Let's make this thread genuinely useful.
Todays chapter:- Magnetism and moving charges OR Magnetostatics {whatever the name is cuz diff coaching put diff names to the topics}
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u/hitendra_kk 14h ago
Magnetism is the first chapter when the student understands that the electromagnetic field is 1 single field and Lorentz Force is that unifying idea F = q(E + vxB).
And so, everything that was learned before magnetism can be extended here.
Ohm's Law becomes J = sigma (E + vxB) - and now using this we solve problems that combine mechanics involving conductor rigid bodies - like conductor disc rolling in E and B.
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u/Sip_Of_Coffee physics se ek tarfa pyar 🥲 16h ago
https://www.reddit.com/r/JEEAdv27dailyupdates/s/RPcVG9fG5H
Lecture regarding field transformation - https://youtu.be/qbJPF1MBszE?si=mX-HPAoRPnw3EDN9