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[PDF] How to make an electromagnet - First4Magnets
Electromagnets are created using electricity and a magnetic material such as iron, on to the desk or table then move the nail assembly towards the paper
[PDF] Iron Dominated Electromagnets Design, Fabrication, Assembly and
Iron Dominated Electromagnets Design, Fabrication, Assembly and Measurements Jack Tanabe January 6, 2005 SLAC-R-754 June 2005
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[PDF] Basic design and engineering of normal-conducting, iron-dominated
A magnet is an assembly of different components Fig 12 shows a typical normal-conducting, iron-dominated electromagnet — in this case a quadrupole — and
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a proposed method for the selective assembly of electromagnets, which allows to The dynamic characteristic of the magnetization of an electromagnet
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86781_31377872469Activity_How_to_make_an_electromagnet.pdf Key stage 3
www.first4magnets.com/magnetism-for-kidsHow to make an electromagnet
Electromagnets are created using electricity and a magnetic material such as iron, an iron nail is perfect for this example. When electricity passes through a copper wire it creates a magnetic field around the wire. By winding a coil of wire around an iron core you can increase the strength of the magnetic field produced and create an electromagnet. Unlike permanent magnets, an electromagnet͛s magnetism can be turned off by removing the electricity or battery. You can make an electromagnet from eǀeryday objects, you don͛t need to be a scientist or an engineer! All you need is the following: A length of copper wire
A regular 9-volt battery
A large iron nail
A box of paperclips
Step one
Take the copper wire and wind it around the nail starting at its head. You will need to leave enough
wire to attach the two ends to the battery.Step two
Attach one end of the wire to the positive battery connector and the other to the negative battery connector.Step three
Sprinkle some paperclips on to the desk or table then move the nail assembly towards the paper clips and see how many it can pick up. Congratulations, you have created an electromagnet!Key stage 3
www.first4magnets.com/magnetism-for-kids To increase the strength of the electromagnet you can use a bigger battery or place more coils around the nail. Try doubling the number of times the wire coils round the nail and try again. How many paperclips can you pick up now? You could count the number of coils and number of paperclips in the table below.Number of coils
Number of nails
10 12 14 16 18 20 2224