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Permanent magnets are used in food processing to remove metal fragments resulting from the manufacturing process. Magnets are also used in recycling centers to separate iron. A magnetic resonance imaging machine uses a magnet.

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What are two devices in a household that use permanent magnets?

Refrigerator doors use permanent magnets to keep them closed and magnets are commonly used in speakers to convert electrical energy into sound by causing the driver (cone) to vibrate.


How are permanent magnets bad?

Permanent magnets are not inherently bad, but if ingested by humans or animals, they can cause serious internal injuries such as intestinal blockages. Additionally, permanent magnets can interfere with sensitive electronics and medical devices like pacemakers if not handled correctly or placed too close.


What can you use your statemennt for?

Permanent magnets can be turned off.


What types of magnets are harder to magnetize but retain magnetism much longer?

permanent magnets


Are paperclips permanent magnets?

No, paperclips are not permanent magnets. They can temporarily exhibit magnetic properties when in the presence of a magnetic field, but they do not retain magnetism like permanent magnets do.


Are electromagnetic magnets permanent?

No, electromagnets are not permanent.


What are the differences between electromagnets and permanent magnets, and how do electromagnets differ from permanent magnets?

Electromagnets and permanent magnets differ in how they are created and their magnetic properties. Electromagnets are temporary magnets created by passing an electric current through a coil of wire, while permanent magnets are naturally occurring magnets with a fixed magnetic field. Electromagnets can be turned on and off by controlling the electric current, while permanent magnets always have a magnetic field.


What are the types of magnets?

Ferro-magnets, permanent magnets, temporary magnets, and electromagnets. Ferro-magnets are magnets that are magnetic at a higher temperature than room temperature. do not quote me on that. permanent magnets are magnets that are always magnets, they are the kinds you use a lot. Temporary magnets are things that are magnetic in an extrenal magnetic field. Last but not least, electromagnets. Electromagnets are coils of wire around a cobalt, nickel, or iron. When ou run electricity through the wire, the core and wire become magnetic.


Why do cranes use electromagnets instead of permanent magnets?

Cranes use electromagnets because they can be controlled and turned on/off easily by adjusting the electric current. This provides flexibility in lifting and releasing materials. Permanent magnets, on the other hand, have a fixed magnetic strength and cannot be adjusted or controlled.


What type of magnets are harder to magnets but retains magnetism much longer?

permanent magnets


A permanent magnet can affect?

A permanent magnet can affect magnets and electromagnets.


Where can I find permanent magnets?

Permanent magnets can be found in stores that sell hardware or industrial supplies, as well as online retailers. Specialized magnet stores or suppliers may also carry a wide variety of permanent magnets for different uses.