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Are permanent magnets AC or DC?

The question "Are permanent magnets AC or DC?" is based on a common misunderstanding of electrical terminology. The terms AC (Alternating Current) and DC (Direct Current) are used to describe the flow of electrical energy, not the···

2025-12-15

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Why do magnets held close to television screens cause the picture to distort?

If you have ever held a magnet near an old television, you likely saw a psychedelic swirl of colors and a warped, melting image. While this looks like a magic trick, it is actually a direct interaction between physics and technology.However···

2025-12-15

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Are magnets natural or man-made?

The answer to whether magnets are natural or man-made is both. Magnetism is a fundamental force of nature, and certain materials possess this property naturally. However, the vast majority of the strong, reliable magnets we rely on today—f···

2025-12-12

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Can any metal become a magnet?

The simple answer is no, not every metal can become a strong, permanent magnet. While nearly all materials interact with a magnetic field in some way, only a select group of elements and their alloys possess the unique internal structure ne···

2025-12-09

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What are the raw materials of magnets?

Magnets, those ubiquitous objects that stick to our refrigerators and power everything from speakers to electric cars, might seem like simple tools. However, the materials used to create them are diverse and carefully chosen based on the de···

2025-12-06

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Can magnets be produced artificially?

The mystery and utility of magnets have captivated humanity for centuries. From the compasses guiding ancient mariners to the tiny components that power our smartphones, these materials are indispensable. But while Earth has naturally occur···

2025-12-03

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What are the 4 types of permanent magnets?

When we think of permanent magnets, we often picture simple refrigerator decorations or perhaps the powerful, high-tech components found in motors and electronics. However, not all permanent magnets are created equal. They are categorized i···

2025-11-29

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Can you remagnetize a rare-earth magnet?

It's a common concern: a powerful rare-earth magnet seems to have lost some of its pull. Whether due to accidental exposure to extreme heat, a strong opposing magnetic field, or physical shock, the question naturally arises: Can this su···

2025-11-27

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