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What Are Electromagnets Used For in Everyday Life?. Electromagnets are magnets powered by an electric current. They consist of a coil of wire. It's often wrapped around a magnetic core made of iron or some other ferromagnetic material. ... Electromagnets are primarily used to move things and to store information.
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www.ehow.com/about_4703546_what-electromagnets-used-eve...
www.ehow.com/about_4703546_what-electromagnets-used-everyday-life.html
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Nelson Thornes. Educational publisher of textbooks, software and online resources from Primary to FE/HE available to buy online ... Nelson Thornes is the only educational publisher to be endorsed by AQA Click here for AQA A Level & GCSE publishing ... Early Years and Primary maths resources; Visit our BEAM website...
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Electromagnets can be used to cause movement. They are used in many everyday devices. ... speaker; electric bell; relay; electric motor ... You are currently in: Scinet > Electricity > Magnetism > Using electromagnets;
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www.nelsonthornes.com/secondary/science/scinet/scinet/e...
www.nelsonthornes.com/secondary/science/scinet/scinet/electric/magnets/uses.htm
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What are Electromagnets Used for Today? ... Electromagnets can be used in many different practical ways. The medical industry uses them to remove imbedded objects from peoples’ eyes, and in catscanner devices like those shown below.
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atschool.eduweb.co.uk/heathsid/emk.html
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AC electromagnets can be used to demagnetize objects (like TV screens, audio tapes, vcr tapes) or to hold objects. However, due to the inductance of the electromagnet, the AC current that will actually flow will be reduced when compared to a DC voltage equal to the RMS value of the AC voltage feeding the electromagnet.
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my.execpc.com/~rhoadley/magelect.htm
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a strong field can be produced from a small current if a large number of turns of wire are used. Unlike the materials from which permanent magnets are made, the soft iron in the core of an electromagnet retains little of the ... Electromagnets are used to lift large masses of magnetic materials, such as scrap iron.
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www.infoplease.com/ce6/sci/A0816998.html
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Its for my science home work and im super stuck on ... most items w/ a motor that spins have electromagnets in them. speakers have magnets. if you want to be a smarta$$ you could say you have something to put on the fridge and oh golly what will you use? ah ha! magnet!
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answers.yahoo.com/question/index?qid=20090324030650AA2Q...
answers.yahoo.com/question/index?qid=20090324030650AA2QsHH
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