How do magnets work in the study of magnetic materials?

Magnets are utilized in magnetic switches, blood separators, hospital water filtration systems, laboratory testing, ventilators, insulin pumps, and more. Magnets are particularly useful in separating ferrous metals (those containing iron) from the mixed waste stream. These metals include iron and steel, which are ... Uses of Magnets · Magnets are used for constructing magnetic needles and mariner's compasses. · Permanent magnets find applications in generators, electric ... Aug 21, 2018 ... What do compasses, fans, and high-speed trains have in common? They all use magnets to function. Magnets are rocks or metals that create an ... While data storage is the primary use for magnets in computers, they are also used for other parts of the computer. Permanent magnets are used for speakers, and ... Why use a coil? Coils are also found in telephones and hand held microphones. Coils and magnets can be used to convert sound to electricity, even without ... Oct 12, 2014 ... They are ferrite (magnetic) rings, over cables in order to suppress noise and filter out unwanted external interference. They are often placed ... MRIs employ powerful magnets which produce a strong magnetic field that forces ... used to image knee and shoulder injuries. In the brain, MRI can ... A magnet is an object that creates a magnetic field: This field is invisible, but it's responsible for the most obvious property of a magnet: the ability to ... Dec 10, 2015 ... In the video shown here, you'll see where to locate the magnet, how to remove the bracket, and how to use a vise and wrench to get a purchase on the strong ...