Farhan ShaikhDropperSample· 1mo ago
Why is a bar magnet's axial field exactly double its equatorial field? And do field lines start at the N pole?
Revising Magnetism and Matter without paying for any extra test series, just NCERT + PYQs, so I want the basics to stick. For a short bar magnet with magnetic moment m , NCERT gives at a distance r much larger than the l
