Rajkumar said to you that the magnetic field lines are open and they start at north pole of bar magnet and end at south pole. What questions do you ask Rajkumar to correct him by saying “field lines are closed” ?
- How can you say the alignment of lines passing through magnet ?
- If magnetic lines are open why magnetic lines start from north pole ?
- Why the direction of force on a north pole is always same ?
- Why the lines are concentric circle around a current carrying wire ?