Define magnetic field line

1.	Define magnetic field line
Answer» Magnetic field lines describe the structure of the magnetic field in space around the magnet.It\'s a way to visualize the magnetic field.Properties:1) The lines start from North pole and end on south pole. The lines always make a complete loop.2) The lines never cross over each other.3) The magnetic force at a point is given by the tangent to the field line at that point.

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