Question

plzzzz telll thisss question's answerrr

Answer 1

The magnetic field lines travel in north to south direction outside the magnet and from South to North inside the magnet.
Thus they are closed curves.

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Answer 2

Hence, magnetic lines of force are basically the lines of force which represent the direction of the magnetic field. ... Magnetic lines of force are closed curves. Outside the magnet their direction is from north pole to south pole and inside the magnet these are from south to north pole.