The magnetic field is the magnetic transmission power (strength) magnetic ไปถีง completely fill volume flux vector
.If using a pencil line to the point of the compass orientation According to the landscape north pole of a compass points to to any line, which instead of direction of force towards the north pole of the magnet is called the magnetic lines of force
.The magnetic lines of force is a line of fictional, show the direction of the magnetic field with the direction of the magnetic linear momentum is
1. Inside the bar magnet. The magnetic lines of force direction was from the south pole to the North Pole
2.Outside the magnet, linear momentum, the magnetic direction from the north pole to the south pole at
.
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