What is magnetism and what properties affect magnets?Magnetism is the ability of magnets to attract elements that have a magnetic component. These magnets are composed of positive and negative poles that have the peculiarity of attracting ...
About magnets, Scientific Disclosure
FerromagnetismFerromagnetism is a property possessed by some materials which are attracted into the magnetic field. A ferromagnetic material is a material that has ferromagnetism which is attracted to magnets. Ferromagnetic elements are characterized by their magnetization which is supported by magnetic fields and remains magnetized even if the field is canceled.In the same way, ferromagnetic ...
Curiosities, Scientific Disclosure
What are the parts of a magnet?The magnet is a body created by various materials (depending on the type of magnet) that produces a magnetic field around the poles (the north and south poles) that acts as an attraction or rejection towards other magnets made of ferromagnetic materials. The magnet ...
How many types of electromagnetism are there?Electromagnetism studies the interactions found in electric charges that are expressed by electric fields and magnetic fields, connected. Both electric and magnetic fields have electric charges.The interactions of electromagnetism were discovered in 1821, thanks to ...
Magnetic and absolute permeabilityMagnetic permeability is the connection between magnetic flux (B) and magnetic field intensity (H). Apart from ferrous metals, which have a high permeability and various metals, which have much lower magnetic permeability, however, it is greater than unity.The magnetic permeability of most materials is ...
What is magnetoreception?Magnetoreception is the ability to notice magnetic fields to perceive a certain position, the direction of the magnetic field. Also, as knowing the latitude in which they are.Magnetization in animalsMagnetization was discovered years ago, the first animals to use it were ...
How many poles can a magnet have?A magnet is a mineral that has the ability to attract metallic particles, due to its magnetic field. There are two types of magnets: natural magnets such as magnetite and artificial magnets such as permanent magnets.Regardless of the type of magnet, they have the ability to attract metal fragments ...
What is electromagnetic energy and how does it work?Electromagnetic energy is the amount of energy stored in a region of space that we can appropriate to the existence of an electromagnetic field. In other words, a magnetic field and an ...
Curiosities, Scientific Disclosure
What is bioelectromagnetism?Bioelectromagnetism is a specialty of biological sciences that analyzes the production of magnetic fields generated by living beings. This event is found in all living beings, whether in the plant or animal world. Bioelectromagnetism can be found in the electrical impulse found in cell membranes, as well as in the electrical currents that circulate in nerves and muscles as ...
What is the air gap?The air gap is the air space between thestatorcore and the rotor of the electrical machine within a magnetic circuit. In electrical machines, the reluctance of the air gap can sometimes be overlooked without committing a major ...
Residual inductionResidual induction is also called magnetic flux density or field B. It is the physical quantity which indicates the intensity of the magnetic fields, that is to say the induction which remains in a saturated magnetic material once the magnetizing field has been removed. We can also call it magnetic flux 0 which crosses perpendicularly a unit of area A. ...
Isotropic and AnisotropicWhen we talk about isotropic and anisotropic magnets, we refer to whether a given magnet has a preferred direction of magnetization. In order to differentiate between them, we cannot find out just by their physical characteristics, but to know the isotropic and anisotropic behavior of a given material we have to focus on the magnetic directions of the magnet.
What is the temperature coefficient?The temperature coefficient symbolized as α is a property, which does not depend on the amount of substance or size, of materials that quantify the relationship between the alteration of this property of a material and the temperature range. This temperature coefficient is expressed in K (according to the International System of Units).
About magnets, Curiosities, News, Scientific Disclosure
What is a magnetic storm?A magnetic storm is a set of magnetic field interactions in the Earth's interior caused by the reactions of solar winds. he magnetic field protects the Earth by preventing the entry of wind particles from the Sun, caused by the erosion of the star. The electrically charged particles then reach the Earth, which is called a ...
Wireless energy transfer through magnetic fields.If the inventor Nikola Tesla (1856-1943) was always with us, he would surely be very satisfied, since he thought of transmitting energy wirelessly almost a century ago. In fact, his idea was not so impossible to implement, since energy can now be transmitted over the wire using magnetic fields, even over long distances.The foundations ...
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