magnetism
BECAUSE NO ONE LISTENS IN CLASS ☺
,Law of Magnetism
attract
ends of opposites
2 poles likes repel repul
magnets attract
po
N→
north
N no
N→
poles con
S
fo
south S→S
,Magnetic Materials
hard
soft (ie.
(ie.
iron)
easy to steel) difficult to
magnetize magnetize
lose their don’t lose their
magnetism easily magnetism easily
→ temporarily → permanently
magnetized magnetized
electromagnets
• can be made magnetic permanent
or non-magnetic
when required magnets
, Magnetic Fields surrounds all magnets
the region around a magnet where a force a
on another magnet or on a magnetic mater
(iron, steel, cobalt, nickel, etc…)
BECAUSE NO ONE LISTENS IN CLASS ☺
,Law of Magnetism
attract
ends of opposites
2 poles likes repel repul
magnets attract
po
N→
north
N no
N→
poles con
S
fo
south S→S
,Magnetic Materials
hard
soft (ie.
(ie.
iron)
easy to steel) difficult to
magnetize magnetize
lose their don’t lose their
magnetism easily magnetism easily
→ temporarily → permanently
magnetized magnetized
electromagnets
• can be made magnetic permanent
or non-magnetic
when required magnets
, Magnetic Fields surrounds all magnets
the region around a magnet where a force a
on another magnet or on a magnetic mater
(iron, steel, cobalt, nickel, etc…)