What does “Magnetic dipole moment” actually mean in Magnetism & Matter, and why does it matter for JEE?
A bar magnet behaves like a magnetic dipole. Its moment points from south to north inside the magnet and determines the torque m x B in an external field.
In simple words: A bar magnet behaves like a magnetic dipole. Its moment points from south to north inside the magnet and determines the torque m x B in an external field. Getting Magnetic dipole moment clear matters because JEE questions on Magnetism & Matter usually test this idea directly, not just a formula you memorised.
Key point
Magnetic dipole moment
Common mistake
reversing the magnetic moment direction because external field lines run north to south.
Memory tip
dipole moment points S to N through the magnet.
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