If it is a magnet, then it can still attract to a refrigerator. If it is a lump of hot metal or hot ceramic, then only gravity will provide attraction. The curie temperature describes when it goes from being a magnet to being a lump.
If the magnet does not pick up any of the nails in the drawer, it could be due to a weak magnetic field of the magnet or the nails being made of a material that is not attracted to the magnet, such as stainless steel. Some nails are made from non-magnetic materials, so they wouldn't be attracted to a magnet.
When we say a magnet attracts something, it means that the magnetic field of the magnet pulls objects made of magnetic material (such as iron or steel) towards it. This attraction is a result of the alignment of magnetic domains in the material being attracted.
A magnet is an object that produces a magnetic field, which can attract or repel other materials that are capable of being magnetized. Magnets have two poles β a north pole and a south pole β which exhibit different magnetic properties.
Yes, when a magnet moves inside a wire loop, it creates a changing magnetic field which induces an electric current in the loop according to Faraday's law of electromagnetic induction. This current flows in the loop as long as the magnet is in motion.
Yes.Yes, iron being ferromagnetic in nature, is attracted by a magnet
If it is a magnet, then it can still attract to a refrigerator. If it is a lump of hot metal or hot ceramic, then only gravity will provide attraction. The curie temperature describes when it goes from being a magnet to being a lump.
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No, a compass has both a north pole and a south pole. The needle of a compass aligns with the Earth's magnetic field, with one end pointing towards the magnetic north pole and the other end pointing towards the magnetic south pole.
No. You'll end up with two smaller magnets, and each will have less than half the magnetic field strength of the original magnet.
An electro-magnet.
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Being able to turn electromagnetic on and off is what separates it from a normal magnet.
It can lose it by being heated, being struck or being exposed to a rapidly changing magnetic field.
A magnet is produced by aligning the magnetic domains in a material to point in the same direction. When heated, the magnet loses its magnetism as the molecular motion, which is caused by heating, destroys the alignment of the magnetic domains. Ferromagnetic materials also lose its magnetism after being melted. However, when the magnet is being hammered whilst cooling in a magnetic field, the melted magnet would gain its magnetism again.
If the magnet does not pick up any of the nails in the drawer, it could be due to a weak magnetic field of the magnet or the nails being made of a material that is not attracted to the magnet, such as stainless steel. Some nails are made from non-magnetic materials, so they wouldn't be attracted to a magnet.