what are magnetic field lines ? list any 3 properties of magnetic field lines
Answers
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetized materials. A charge that is moving in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field
1) Magnetic field lines emerge from the north pole and merge at the south pole.2)As the distance between the poles increases, the density of magnetic lines decreases.
3)The direction of field lines inside the magnet is from the South Pole to the North Pole.
4) Magnetic lines do not intersect with each other.
5) The strength of the magnetic lines is the same throughout and is proportional to how close are the lines.
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Answered by Blaise Benedict.....
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A magnetic force experienced around the region of a magnet is called magnetic field. The characteristics of magnetic field lines are as follows:
(i) The magnetic field lines of a magnet start from the North Pole(N) and reach the South Pole(S) and these lines are in the north-south direction inside the magnet.
(ii) The region in which the field lines are at close distance to each other has a strong magnetic field and if the field lines are at far distance from each other, the region has a weak magnetic field. Near the poles of a magnet, the field lines are at close distance from each other so there is strong magnetic field.
(iii) The magnetic field is a very vector quantity. So it has magnitude and direction both. The tangent is drawn at any point of a magnetic field line.
(iv) Magnetic field lines do not intersect each other.