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depends opposite or like side pointing at each other
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How do electromagnets affect nearby magnets?
If an electromagnet is close enough, it will either attract or repel other magnets.
What are electromagnets used to record information on?
Electromagnets...electromagnets are magnets attract, or pull, some kinds of metal objects. Stronger magnets exert a greater pull on the objects they attract. Sometimes it would be useful if you could turn off a magnet when you did not want it to attract objects. That is what an electromagnet can do. Some electromagnets .in power plants and factories electromagnets are very large. You can make a small, simple electromagnet in school or at home.
What is the ifference between an electromagnet and a permanent magnet?
Electromagnets and permanent magnets both attract or repel other magnets and attract iron and other substances. An electromagnet is a magnet that is only active when it has a current passing through it; permanent magnets are always active.
Why do some electromagnets repel rather than attract?
SOME Electromagnet like permanent magnets have two poles(north/south). Likewise the rules for SOME Electromagnets are the same as those of a permanent magnet(same poles repel, different poles attract).
How is a electromagnet is made?
Wrap wire around a metal core. Like all other electromagnets.
Will real magnets attract or repel electromagnets?
Electromagnets are just as "real" as permanent magnets and behave in exactly the same way (as long as there's current flowing through them). So, yes: the north pole of a permanent magnet will attract the south pole, and repel the north pole, of an electromagnet.
Why electromagnet is used for separating plastic bags?
An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.
How is electromagnet harmful for people?
Electromagnets are not harmful to people.
Who invented the junkyard electromagnet?
Wrap wire around a metal core. Like all other electromagnets.
What type of telephones are electromagnet there are a lot of electromagnets do you no s?
nobody no and this is the internet
How an electromagnet is useful in a different ways?
All electric motors are electromagnets.
Examples of electromagnets and their uses?
See: http://en.wikipedia.org/wiki/Electromagnet
