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What else can I help you with?
What temperature demagnetizes a magnet?
The exact temperature at which a magnet demagnetizes can vary depending on the type of magnet and its composition. In general, exposure to temperatures above the Curie temperature of the magnet material can cause it to lose its magnetic properties. For common materials like neodymium magnets, the Curie temperature is around 310-400 degrees Celsius.
How do you destroy a magnet?
The same way you destroy anything else. melt it in a furnace is the only way because if you chop it one end will be south and the other will be north If you mean "How do you remove the magnetism from a permanent magnet?" There are several ways. You can heat it past its Curie Point. For iron that is about 800C. Stroking one magnet with another in a random fashion will sometimes work. Hammering it will usually work.
How heating a bar magnet would change its magnetic field?
Heating a bar magnet above its Curie temperature would disrupt the alignment of its magnetic domains, causing it to lose its magnetization and its magnetic field strength would decrease. As the temperature decreases back below the Curie temperature, the magnet may regain some or all of its original magnetic properties.
Does water temperature affect magnets in water?
yes because the magnet will reach its curie temprature and loose stregth
Where does a compass point when it is moved close to a magnet?
That depends on which pole of the magnet it is moved close to. If it is brought close to the "South" pole of the magnet, the "North" pointer of the compass will be attracted to the magnet. If it is brought close to the "North" pole of the magnet, the "North" pointer of the compass will be repelled and will point AWAY from the magnet, while the "South" end of the compass pointer will point to the magnet.
Why do magnets react to temperature?
Well, what I know is that when a magnet reaches a certain temperature,it hits a Curie Point. That is a really high temp that makes a magnet lose it's magnetic properties.
Does the temperature of a magnet effect its magnetic field?
Not until the magnet reaches its "Curie point" or temperature. Then magnetic activity ceases.
How heating demagnetises a magnet.?
A magnet works because the atoms of a magnet are all aligned in only a single uniform direction, in most cases due to the direction of north to south.Heating a magnet causes the alignment to be disturbed and be misaligned, thus losing its magnetic power.The temperature at which a heated magnet loses its magnetism is called the Curie Point named after Pierre Curie husband of Marie Curie.
What temperature demagnetizes a magnet?
The exact temperature at which a magnet demagnetizes can vary depending on the type of magnet and its composition. In general, exposure to temperatures above the Curie temperature of the magnet material can cause it to lose its magnetic properties. For common materials like neodymium magnets, the Curie temperature is around 310-400 degrees Celsius.
How can you destroy a magnet?
If you take a permanent magnet and heat it up past the Curie temperature (or Curie point, Tc) and cool it, the magnetic domains in the magnet, which were aligned when it was made, will become randomly oriented. When the "magnet" cools, its magnetic properties will have "disappeared" and the you'll have a piece of metal alloy. If you like, you can make a new magnet out of your hunk of metal by heating the metal past the Curie point again, applying a static magnetic field to it, and then cooling it back down in the presence of the magnetic field. That's the way the magnet was manufactured and made into a magnet to begin with.
How to cause a magnet to lost its magnetic power?
A magnet can lose its magnetism if exposed to high temperatures. If heated above the point called the Curie temperature, a magnet will lose its magnetism.
Does the strength of a magnet become affected when subjected to different degrees of hot and cold temperatures?
A. A magnet has a Curie Point, a temperature beyond which it is no longer a magnet. Identified by Marie Curie. This property is used in items such as toaster timers. As far as I know there is no low temperature limit.
What is the definition of a magnet?
A permanent magnet is a magnet that has been manufactured to "permanently" hold its magnetic field. Ferromagnetic material of a desired shape is heated above its Curie point, exposed to a large electromagnetic field, and cooled slowly while being held in that field. This allows the magnetic domains in the material to align themselves with the field of the electromagnet. Further, when the material cools below its Curie point, the magnetic domains will remain in the position they are in when the electromagnet is shut off. The magnet is now a permanent magnet; the magnet "holds" the magnetic field "imprinted" on it.
Why is the Curie point important?
The Curie Point is named fro Pierre Curie, not Marie Curie. It is the point above which a material loses its spontaneous magnetism.
How can a permanent magnet become a nonmagnetic?
By heating it beyond its Curie point will remove all magnetic properties, hammering or jarring it will also remove most of the magnetism.
What are the two ways to magnetize a magnet?
thermal - heat the magnet above the Curie Point temperature for the material it is made ofelectromagnetic - use a degaussing coil (a coil driven by AC to keep reversing the field of the magnet), slowly remove the coil from the vicinity of the magnet before turning the power off to the coil
What is the melting point of alnico in Celsius?
300 degees C --- That's not even its curie temperature. Not only will it still be solid, it will still be a magnet.
