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Re: does hitting a magnet weaken its magnetic strength


Re: does hitting a magnet weaken its magnetic strength. Date: Tue Feb 4 22:48: 38 2003. Posted By: Dr. Fred Jeffers, Staff, Magnetic Recording Research, ...

Can I weaken a neodymium super-magnet? - decrease strength | Ask ...


Hitting them will give you a bunch of magnetic shards. Freezing ... But yes, heating those kinds of magnets up will reduce their magnetism.

What affects the strength of a magnet? - Magnet Man


The material will also determine how its flux is affected by temperature, and how easily ... magnetic field strength in Oersted, or the point at which the magnet becomes ..... Turn the pin so that it is now lined up in an East-West direction and hit it ...

Do magnets ever lose their magnetism? - PhysLink.com


1) Via heat: ferromagnet materials will lose their magnetism if heated above ... 2) Via a demagnetizing magnetic field: permanent magnets exhibit a ... is transmitted through the material via a shock, such as being dropped or hit with a hammer.

Why do magnetic domains misalign when a magnet is repeatedly hit ...


When an iron magnet is magnetized, an external magnetic... ... lab where I try to find out how much does hitting a magnet affect its magnetic field strength. ... these walls can be weakened and moved by high temperatures or repeated impacts.

How to Demagnetize a Magnet Experiment | Education.com


Jan 30, 2014 ... Learn how to demagnetize a magnet and how physics can explain this ... groups with their north and south ends lined up with Earth's magnetic pole. ... Use the staples to confirm that all your nails are about the same strength.

FAQ:How do you demagnetize a magnet - NdFeB Magnet


Heating a magnet past its Curie point will destroy the long range ordering. ... reduce the strength of the (electro-)magnetic field, the magnetism of the magnet can ... becomes a strong magnet in the present of the current but weaken drastically ...

Magnetism for kids - A simple introduction - Explain that Stuff


Dec 8, 2015 ... It's interesting to note that the strength of Earth's magnetic field is very .... You can also destroy or weaken ferromagnetism if you hit a magnet ...

Is Earth held in its orbit by magnetic forces? - Nasa


How do Magnetic Reversals affect Animal Migrations? ... Space Radiation and our weakening magnetic field ... "If the earth is a giant magnet, why doesn't all iron stick to it?" ... Here B at some point is the force on a magnetic pole of unit strength, IF it were placed at the point, and E is the force on an electric charge...

FAQ-3: "The Great Magnet, the Earth" - Nasa


Can we tell if a symmetric magnetic field rotates around its axis? ... measured hit the earth about a week ago) and the earth's magnetic field weakens, what ..... bar magnet, with "N" and "S" poles which, as in any magnet, have an equal strength.

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Is it possible to make the magnets lose it magnetic field permanently?


Mar 12, 2009 ... I know magnets can lose its magnetic properties if exposed to heat, but is ... it loose its magnetic field. repetitive shock (as in hitting it with a hammer) .... It might still retain a weak magnetism, but it will be much less than the original strength. ... and the relative motion of other magnetic fields can weaken t...

Q & A: heating magnet | Department of Physics | University of Illinois ...


At some point, in between the weakening of the overall magnetism and the ... Cooling the material will cause magnetic domains to form again at the Curie ... Usually the strength of a permanent magnet does grow slightly as it is cooled. ... Yes, the neodymium magnet will lose its magnetism when heated above its Curie point.

Why does a permanent magnet weaken when you drop or heat it


The answer is: Yes, it does. And the reason is this: In a magnet the electrons in the atoms are .... Does hitting a magnet weaken its magnetic force? ... To increase the strength of a magnet you need to stack it between two stronger magnets or ...