Electricity and Magnetism

How does the use of keepers help eliminate self-demagnetization in the storage of magnets?


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2018-03-10 04:18:28
2018-03-10 04:18:28

Magnetic keepers can be thought of as materials that complete the magnetic circuit of the magnet. They do this by providing a paramagnetic link from one pole of the magnet to the other. That way the magnet can resist the effects of other magnetic fields that might tend to depolarize or demagnetize it.


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They can remove some of the information stored on the computer.Answer:Magnets were initially a concern as they could remove data from magnetic media (disks and tapes), but with the advent of other forms of storage (flash memory, CD, DVD), this is much less of a concern. They could still induce currents in wires and potentially impact the processes in the systems. A large enough magnet could damage files on the hard drive, as they do on older magnetic tape drives.You should not place magnets near old-style CRT monitors. The magnets used in computer speakers are not powerful enough to affect any displays.

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disk storage-> direct data access storage tape storage -> serial data access storage

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