Electromagnets are used for a wide variety of uses like in motors to regulate the speed of motor and used in cranes to lift heavy metal objects and they can used in electronic devices
A magnet
small magnet used to give direction
A lifting magnet is an electromagnet that is meant to hold or move material that comes in contact with the magnet. This is the opposite of a traction magnet.
a scrap yard magnet is an electro magnet used to pick up bits of metal. this is used because it can drop the metal because it can be turned on and off
the ones that attract stuff
The magnet bar is used for stirring solutions.
They are used everyday to move scrap iron around the scrap yard...
The real name of magnet is Magnetite or Lodestone. Magnet is a common name used to refer to objects that exhibit magnetic properties.
A magnet can be theoretically used in any medium, but strength of the magnet will strongly be influenced by the magnetic permeability of that given medium.
I'm not sure where a bar magnet is used, but an electromagnet is used in junkyards, and in some laboratories.
Iron.
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