state the characteristics of magnetic field lines
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when we pour magnetic powder on magnet the powder attracts mostly at the poles plzzz follow me yarrr
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Characteristics of Magnetic Field Lines:
☆They seek the path of least resistance between opposite magnetic poles.
☆ In a single bar magnet as shown to the right, they attempt to form closed loops from pole to pole.They never cross one another.
☆They all have the same strength.
☆Their density decreases (they spread out) when they move from an area of higher permeability to an area of lower permeability.
☆Their density decreases with increasing distance from the poles.
☆They are considered to have direction as if flowing, though no actual movement occurs.
☆They flow from the south pole to the north pole within a material and north pole to south pole in air.
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