Question

wirte any two question to understand the magnetic field lines are closed lines​

Answer 1

Answer:

magnetic field do not interaction each other. They are closed curve each other

Answer 2

Answer:

1) When you plot magnetic lines of force around a bar magnet what did u observe ?

2) How lines of force are traveling around the bar magnet outside around it ?

3) If the field lines are closed why they are ending at South pole ?

4) As they are starting at North pole of bar magnet and end at South pole field lines are closed ?