Question

Disadvantages of bar magnet

Answer 1

Explanation:

A bar magnet, like other magnets, has uses based on its magnetic attraction. This magnetic attraction draws other ferromagnetic materials to it or the bar magnet towards them. These uses include: picking up small ferromagnetic items such as screws and metal shavings; being used as "magnetic stirring rods" on laboratory hotplates; and holding papers and other items to the sides of refrigerators.

Like other magnets, the magnetic field generated by a bar magnet can damage electronic equipment. A bar magnet placed near a hard drive, computer disk, or even a video cassette can cause the data stored by the magnetic particles on the item to be damaged. Bar magnets placed on the sides of speakers or other sound devices can cause disruptions in the sound or even permanent damage. A bar magnet placed on the side of a computer can result in the system being deactivated, and may even make it completely inoperable.

Answer 2

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•Brittle (may break, crack, or chip upon sudden collisions with other magnets or metals)

•Generally more expensive.