magnetic lines flow from what to what?
Magnetic lines of force, acutally, are imaginary lines and they are assumed to flow form north pole to south pole outside the magnet and from south pole to north pole inside the magnet.
To determine the direction in which magnetic lines flow, you can use the right-hand rule. Here's how to do it:
1. Imagine holding the magnet in your right hand, with your thumb pointing in the direction of the magnetic north pole.
2. Curl your fingers around the magnet, and your fingers will indicate the direction of the magnetic lines of force. They will flow from the north pole to the south pole outside the magnet and from the south pole to the north pole inside the magnet.
So, in summary, magnetic lines flow from the north pole of a magnet to the south pole outside the magnet, and from the south pole to the north pole inside the magnet.