How does rubbing a magnet over iron, magnetise it?

Thread starter sharp910sh
Start date Jun 15, 2008
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Iron Magnet

In summary, when a magnet is rubbed over iron, it creates a magnetic field that aligns the electrons in the iron atoms, resulting in the iron becoming magnetized. The strength of the magnet can affect how well the iron becomes magnetized, with a stronger magnet producing a stronger magnetic field. The iron will become magnetized almost immediately, but the strength of the magnetization may increase over time. Any type of magnet can be used to magnetize iron, but stronger magnets will result in a more significant magnetization. Rubbing a magnet over iron will not make it a permanent magnet, as the iron will lose its magnetization over time once the magnet is removed.

Jun 15, 2008

sharp910sh

Any one know? I think becayse when you rub the magnet over the metal it causes something to align up, aligning up the poles? Ah i duno

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Jun 15, 2008

siddharth

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Visit the link below, for a nice detailed explanation.
http://hyperphysics.phy-astr.gsu.edu/Hbase/Solids/ferro.html

Last edited: Jun 15, 2008

Jun 15, 2008

sharp910sh

Cheers

1. How does rubbing a magnet over iron actually magnetize it?

When a magnet is rubbed over iron, it creates a magnetic field that aligns the electrons in the iron atoms in the same direction. This results in the iron becoming magnetized with its own magnetic field.

2. Does the strength of the magnet affect how well the iron becomes magnetized?

Yes, the strength of the magnet can affect how well the iron becomes magnetized. A stronger magnet will produce a stronger magnetic field, leading to a more pronounced magnetization of the iron.

3. How long does it take for the iron to become magnetized after rubbing a magnet over it?

The iron will become magnetized almost immediately after rubbing a magnet over it. However, the strength of the magnetization may increase over time as more electrons in the iron atoms align with the magnetic field.

4. Can any type of magnet be used to magnetize iron?

Yes, any type of magnet can be used to magnetize iron. However, stronger magnets will produce a more significant magnetization in the iron.

5. Will rubbing a magnet over iron make it a permanent magnet?

No, rubbing a magnet over iron will not make it a permanent magnet. The iron will only remain magnetized as long as the magnet is in contact with it. Once the magnet is removed, the iron will lose its magnetization over time.