Describe the magnetic field lines of a bar magnet.

(N/A) The magnetic field lines of a bar magnet represent the direction and strength of the magnetic field in the space surrounding the magnet.
$1$. The magnetic field lines originate from the North pole $(N)$ and terminate at the South pole $(S)$ outside the magnet.
$2$. Inside the magnet,the field lines travel from the South pole $(S)$ to the North pole $(N)$,forming continuous closed loops.
$3$. The density of the field lines is highest near the poles,indicating a stronger magnetic field in these regions.
$4$. No two magnetic field lines can intersect each other,as that would imply two different directions for the magnetic field at a single point,which is physically impossible.
$5$. The tangent drawn at any point on a magnetic field line gives the direction of the magnetic field at that point.