Question

are magnetic fields close or open​

Answer 1

Answer:

Magnetic field lines are closed curves as they propagate from the North pole outside the magnet's body to the magnet's body and from the south pole to the north pole inside the magnet's body. Hence, the magnetic field lines are closed.

Answer 2

Your answer...

Magnetic field lines are closed curves as they propagate from the North pole outside the magnet's body to the magnet's body and from the south pole to the north pole inside the magnet's body. Hence, the magnetic field lines are closed.