They help separate magnetic metals such as iron and steel from non magnetic metals such as aluminium. Metals have to be melted down at different temperatures so it's essential the less dense metals are separated from 'heavier' metals. Using magnets is a way of doing this.
the magnetic pull of the opposite north and south poles will "pull" the magnet with the corresponding side toward that directio causeing the person to know which direcvtion to travel.
because fridges are magnetic and for decoration
Electromagnets are useful because some machines need magnets that can stop being magnetic. In junkyards, some machines need to pick up metallic objects, so they need magnets that can turn on and off, which is where a electromagnet becomes useful.
magnets help us because magnets can help power your refrigerator.
how can magnets be used to help with recycling
No.If you break the magnet, it is still a useful magnet.
Electro magnets can be very useful to carry heavy loads of iron and metal from one side of a factory to another. Electro-magnets are formed by shooting electricity through a coil of copper.
Temporary magnets are useful because they can be easily magnetized and demagnetized. They can be turned on and off as needed, making them versatile for various applications such as in electromagnets, magnetic clasps, and magnetic sensors. Additionally, their magnetism can be controlled by adjusting parameters like current or temperature.
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there are a lot of neodymium magnets coming from china lately.
Fuels are useful to us because they provide energy for various purposes such as powering vehicles, heating homes, generating electricity, and manufacturing products. They are a convenient and reliable source of energy that can be easily stored and transported for use when needed.
They pick up only certain materials and can be used to separate them.
A magnet can sort the ferrousmetalse.g., iron and steel, from the feed stream.