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Discover how the strength of an electromagnet changes depending on the number of wire coils in this electricity project. ... The goal of this project is to investigate the strength of an electromagnet made from a coil of wire. How does the strength of the magnetic field change as the number of turns in the coil is increased?
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www.sciencebuddies.org/mentoring/project_ideas/Elec_p03...
www.sciencebuddies.org/mentoring/project_ideas/Elec_p035.shtml
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Electromagnet - Wikipedia, the free encyclopedia
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An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current ceases. A wire with an electric current p...
en.wikipedia.org/wiki/Electromagnet
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The key importance of an electromagnet is the ability to control the strength of the magnetic flux density, the polarity of the field, and the shape of the field.
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www.coolmagnetman.com/magelect.htm
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It is fairly easy to build an electromagnet. All you need to do is wrap some insulated copper ... If you wrap some of the wire around the nail in one direction and some of the wire in the other direction, the magnetic fields from the different sections fight each other and cancel out, reducing the strength of your magnet.
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education.jlab.org/qa/electromagnet.html
education.jlab.org/qa/electromagnet.html
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The strength of an Electromagnet - Part of Coursework Help GCSE and A-Level Coursework ... "The factors that affect the strength of an electromagnet are: The temperature, current, length of the core, diameter, the thickness of the wire used for the coils, how tightly the coils of wire are wrapped around,
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www.courseworkhelp.co.uk/GCSE/Science/12.htm
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Our research led us to the following possibilities: ... Adding a core. ... b) The voltage passed through the electromagnet...
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atschool.eduweb.co.uk/heathsid/emc.html
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We think that when you increase the voltage the electromagnet’s strength will increase. ... We would test it three times on each range to get an accurate result. We placed the electromagnet at the top of the table and put the ruler straight down beside it.
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atschool.eduweb.co.uk/heathsid/eme.html
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Subject: Electromagnet field strength vs current ... A standard experiment is to vary the current through an electromagnet made from a soft iron core about 8 mm. diameter and 12 cm. long with 100 turns of wire.
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www.madsci.org/posts/archives/Jun2003/1055789959.Ph.q.h...
www.madsci.org/posts/archives/Jun2003/1055789959.Ph.q.html
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for a start anyway i want to know the equations on how to determine the strength of an electromagnet with an iron core. the problem is for one of course, i don't know any equations on electromagnetic strength but two, i have a really hard time with all the different fraises used in the equations (ex.
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www.physicsforums.com/archive/index.php/t-123914.html
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