What are magnetic field lines ? How is the direction of a magnetic field at a point determined ? (b) Draw field lines around a bar magnet along its length on its two sides and mark the field directions. (c) List any two properties of magnetic field lines.
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a) magnetic field lines are used to represent à magntic field.
the direction of a field at a pount is given by the direction that a north pole placed at that point would take.
c) magnetic field lines never intersect each othèr.
they travel from the north to the aouth pole of a magnet outside the magnet and from south to N poleinside the magnet.
the direction of a field at a pount is given by the direction that a north pole placed at that point would take.
c) magnetic field lines never intersect each othèr.
they travel from the north to the aouth pole of a magnet outside the magnet and from south to N poleinside the magnet.
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The magnetic field lines are the pictorial representation of the strength and direction of the magnetic field.
The direction of the magnetic field at a point can be found by placing a small magnetic compass at that point. The north end of the needle of a compass indicates the direction of magnetic field at a point where it is placed.
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