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Home » Categories » Arts, Crafts & Hobbies » Antiques & Collectibles » Discovering Magnets and Their Many Uses » Printer Friendly

Discovering Magnets and Their Many Uses

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Submitted Monday, November 07, 2005
Sara Jenkins (2,070)
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Magnets are very fascinating and interesting elements. They have been used for so many functions as well as for having fun. Toying around with magnets can provide entertainment for children and adults alike. Playing with their incredible capabilities makes one at awe it’s like magic how they cling to metal and other magnets as well. Man has been engrossed with their magnetic capabilities that they soon discovered how to synthesize these capabilities bringing forth the electromagnet. By simply coiling wires around into a loop, electric current is passed through these coils and a magnetic field is created. This can be very useful when natural magnets or permanent magnets are not available or too costly. Permanent magnets are those that don’t need outside influences to have a magnetic field.

Magnets are any object, be it a permanent magnet or an electromagnet, which has a magnetic field. Magnets are attracted or repelled by other objects. When that object can attract or repel a magnet it is said that such objects have high permeability, iron and steel are examples of those. All types of magnets have two poles, termed bipoles they are the South Pole and the North Pole. Even if a magnet is reduced to a molecular size there would still be the two opposing poles. Similar poles would repel one another while dissimilar poles would attract each other and make them stick together.

Magnets have been very useful and have been utilized in many everyday objects. Many of what we enjoy today uses magnets in one way or another. For instance, magnets are converted into magnetic strips where in information can be stored. In the case of video tapes and audio tapes, the sound and images are stored on the magnetic coating of the tape. Placing these tapes near a strong magnet will destroy the data encoded inside it. ATM, credit and debit cards also employ a strip of magnetic field on its backside. This magnetic strip contains all the information needed to access their accounts and financial institutions that’s concerned with the card.

Microphones and speakers also need magnets to make them work. They utilize a combination of permanent magnet and an electromagnet. Speakers use the electromagnet to carry the signals that generate a varying magnetic field that influences the motion of the magnetic fields that is generated by the permanent magnet. This recurring force moves the cone which produces the sound. The microphone has the same concept but is done in a reverse manner. Common television sets and computer monitors also use magnets to generate images. Generators and electric motors also need magnets for proper operation. Transformers also use them. Then there are the other uses for magnets that can be quite fun and amusing, such as the refrigerator magnets.

Magnets though can be stripped off of their magnetic capabilities. For an electromagnet it is very easy, you only need to deprive it of its flow of current and the magnetic field will die down. For permanent magnets there are a couple of ways to demagnetize it. Rubbing one magnet to another in a random manner will do the job some materials though cannot be demagnetized because they have a high coercive field. Intense heat also influences the magnetic attributes of a permanent magnet.


Online entrepreneur Sara Jenkins, is dedicated to helping others and their needs to succeed in life by offering free tips everyday. To learn more about her free tips program, and to sign up for her FREE how-to articles and FREE bonus how-to books and resources, visit www.MagnetsDo.com





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Comments on this article:


» left by Anna from Elkhorn, WI (2 years 303 days ago.)
Reader Rating: 4.5 out of 5
Thanks Sara, you made doing my science project a little easier for me. Nice job on the artical and write somemore, because they helped me and the will probly come in handy for others also. Great Job!!!!!!!!!!!!
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» left by Dina Arafeh from Amman, Jordan (2 years 222 days ago.)
Reader Rating: 5 out of 5
thnx, sara u made my homework alot easier for me and i think me and lots of other people will be helped by this article.
thnx
xoxo
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» left by charlize from glenelg, australia (2 years 155 days ago.)
Reader Rating: 3 out of 5
well u didn't really help me coz i needed a list of all the everyday uses of magnets. maybe u could put in in there by tomorro so i can hand my homework up on monday! thanx
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» left by lilo from houston, united kingdom (2 years 155 days ago.)
Reader Rating: 5 out of 5
thank you so much sara for this amazing essay on dogs. it was really amzing how you talked about your favourite breeds and why u liked them. you have really made my project on dogs alot easier. love lilo
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» left by Joe meeener from Manitobal (1 year 235 days ago.)
Reader Rating: 1 out of 5
it was a good thing

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» left by John Malmoosey from Manitobal (1 year 235 days ago.)
Reader Rating: 2.5 out of 5
I loveded it sweeeeet, may i be a science genius because of it

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» left by Anonymous (1 year 202 days ago.)
Reader Rating: 1 out of 5
it was good for children to read its so cool!

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» left by KAITLIN from my house (1 year 181 days ago.)
thanks this helped me with a science project cheers.
:P
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» left by maria wilson from united kingdom (1 year 78 days ago.)
Reader Rating: 1.5 out of 5
yes this website was quite useful to me, but it didnt give me all the information i needed.
Respond to this comment

» left by ImLOL from InLOL (1 year 60 days ago.)
Reader Rating: 1 out of 5
lol rubbish !
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» left by E.T. from Mars (1 year 57 days ago.)
Reader Rating: 5 out of 5
I love this article it is very helpful for my science fair project. thanks sarah
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» left by E.T. from Mars (1 year 57 days ago.)
Reader Rating: 5 out of 5
sorry for spelling sara wrong.......well thanks anyways;]
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» left by chloe11 from philippines (1 year 46 days ago.)
Reader Rating: 3.5 out of 5
thank you for the answer i wish you'll make many more answer for us student i love you! thanks!
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» left by RAND from JORDAN (1 year 25 days ago.)
DIIIIIINNAAA ARAFEH 7AYATII I CANT BEILVE THIS I MISS U ICANT BEILVE U MOVED FROM JORDAN HAHA BIL7AZ I FOUND THIS PAGE THEN I SEE DINA ARAFEH ROM JORDAN OMG !!! COINSEDENCE BABE I MISS U SOO MUCH I LOVE U I KNOW U'LL NEVER SEE THIS LOL
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» left by pwinsess from home (356 days 23 hours ago.)
Reader Rating: 1.5 out of 5
my homeworks in 4 2moz and i need 2 find 20 uses of magnets so it would help if there was more everyday and uncommon uses of magnets there.
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» left by Anonymous (319 days 3 hours ago.)
Reader Rating: 3 out of 5
i like the lay out but it was not want i was looking for
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» left by Anonymous (312 days 23 hours ago.)
Reader Rating: 2 out of 5
as a school child i didn't find this very helpful because it dosen't tell me what i needed i wanted to know what we use magnets in every day life for
Respond to this comment

» left by rf from gd (312 days 23 hours ago.)
Reader Rating: 5 out of 5
helped me a lot thx
Respond to this comment

» left by ellie from uk (310 days 9 hours ago.)
Reader Rating: 1.5 out of 5
i didn't find it really helped me at all, it could do with some useful short facts that make sense for younger readers.
Respond to this comment

» left by Lailani from Paris, France (295 days 19 hours ago.)
Reader Rating: 5 out of 5
OMG!!!!! U r a genious. I would have failed 2nd semester science if it wasn't for u! Keep rockin'

LUV YA
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» left by katelyn from w.a (251 days 11 hours ago.)
Reader Rating: 5 out of 5
thanks helpful for my homework

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» left by Anonymous (251 days 11 hours ago.)
Reader Rating: 1 out of 5
bad info not right
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» left by ztevie from uk (244 days 8 hours ago.)
Reader Rating: 4 out of 5
cheers a lot lol this is good cos its jus one of those things that usually you could never find. it was real usefull tyvm =)
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» left by Bree from wa (239 days 9 hours ago.)
Reader Rating: 4.5 out of 5
You told every thing i needed to know.

From Bree Joksimovic
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» left by bill from space (167 days 14 hours ago.)
Reader Rating: 5 out of 5
thanks for helping us with our home work any one on this site its really good:)

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» left by FOX from Jungle (167 days 14 hours ago.)
Reader Rating: 5 out of 5
THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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» left by Anonymous (73 days 9 hours ago.)
Reader Rating: 2.5 out of 5
thanks sara! you made my physics homework 100000000000 times easier!
 
thnx :)

Respond to this comment

» left by BJ (15 days 3 hours ago.)
Reader Rating: 3.5 out of 5
well you forgot to put MACKINTOSH LAPTOPS!!! THERE SO AWESOME!!! oh and did i just say ....I LOVE EM TO BITS!!! yh you need more stuff on it my friend found 60...... i only found half that on the INTIRE INTERNET

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