112525
Descrição
Mapa Mental por Henry Simmons, atualizado more than 1 year ago
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Criado por Henry Simmons
mais de 11 anos atrás
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Electromagnets
- field Lines
- all start from a magnet
- go further and further out
with every line
- forms a circular pattern
- weaker and weaker as it
goes away from the
magnet
- weaker and weaker as it
goes away from the
magnet
- forms a circular pattern
- go further and further out
with every line
- all start from a magnet
- improvments
- Iron Core
- makes the
magnet stronger
- makes the
magnet stronger
- More turns on
the coil
- Copper wire
- Copper wire
- Iron Core
- current goes from N-S
- Magnetic metals
- Iron (Fe)
- Pure so that means
it is better (stronger)
- Pure so that means
it is better (stronger)
- Steel
- Iron (Fe)
- Used in...
- Speakers
- Used in hospitals
to remove bits of
iron and steel from
the eye
- Speakers
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