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Magnet Myths

Magnet Myths Every time you use a computer, you're using magnets. If your home has a doorbell, it probably uses an electromagnet to drive a noisemaker. Magnets are also vital components in CRT televisions, speakers, microphones, generators, transformers, electric motors, burglar alarms, cassette tapes, compasses and car speedometers. In addition to their practical uses, magnets [...]

Why Magnets Stick

Why Magnets Stick If you've read How Electromagnets Work, you know that an electrical current moving through a wire creates a magnetic field. Moving electrical charges are responsible for the magnetic field in permanent magnets as well. But a magnet's field doesn't come from a large current traveling through a wire — it comes from [...]

The Details of Making Magnets

The Details of Making Magnets To make a permanent magnet, all you have to do is encourage the magnetic domains in a piece of metal to point in the same direction. That's what happens when you rub a needle with a magnet — the exposure to the magnetic field encourages the domains to align. Other [...]

The Basics of Making Magnets

The Basics of Making Magnets Many of today's electronic devices require magnets to function. This reliance on magnets is relatively recent, primarily because most modern devices require magnets that are stronger than the ones found in nature. Lodestone, a form of magnetite, is the strongest naturally occurring magnet. It can attract small objects, like paper [...]

Magnetics for Environmental Applications

Magnetics for Environmental Applications Magnetics, as related to the environmental field, is a technology used for locating subsurface iron, nickel, cobalt and their alloys which are typically referred to as ferrous materials. The theory of magnetics has been adapted to specialized tools called magnetometers which are capable of measuring ambient magnetic fields emanating from terrestrial [...]

Magnetic Field Lines of Pot Magnet

Magnetic Field Lines of Pot Magnet As for the term "pot magnet", many people may have heard for the first time that the pot magnet is a kind of magnet wrapped in a steel shell and shaped like a pot, so we call it pot magnet (cup magnet), also called magnetic component. Through magnetic circuit [...]


What is the MAGNETIC MOMENT The magnetic moments is a property that we use to verify the quality of our magnets. It is a way to measure the strength of a magnet and is widely used throughout the industry. Moreover, it is an easy, quick, and repeatable measurement. The magnet grade and magnet volume define [...]

Magnetism FAQ

Magnetism FAQ Basic Electricity Question 1 A permanent magnet is a device that retains a magnetic field without need for a power source. Though many of us have experienced the effects of magnetism from a permanent magnet, very few people can describe what causes permanent magnetism. Explain the cause of permanent magnetism, in your own [...]

Observe The Magnetic Field of Magnetic Pole

Observe The Magnetic Field of Magnetic Pole Generally speaking, the magnetic field of a strong magnet is invisible and intangible. This phenomenon also increases the mystery of the magnet and stimulates everyone's curiosity. If you want to visualize the abstract magnetic field and identify the magnetic poles, you can use a few simple auxiliary tools. [...]

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