What are magnetic field lines? List 3 characterics. Describe an activity to study the magnetic field lines due to current flowing in circular coil
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Magnetic field lines due to a circular coil. at every point on a current carrying circular loop, the magnetic field is the form of concentric circle around it. as we move away from it, the circles would become larger and larger. when we reach tge centre of loop, the field appears to be straight line.
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Representation of the magnetic field. Path along which an imaginary free north pole would tend to move. The tangent at any point on the magnetic field line gives the direction of the magnetic field at that point.
(a) Emerge at north pole and merge at south pole. Inside the magnet, the direction of field lines is
from south pole of magnet to its north pole, are closed curves.
(b) At the points where the magnetic field is stronger, field lines are crowded and vice-versa.
(c) No two magnetic field lines can intersect each other
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