The connection between magnetism and electricityMagnetism and electricity are two powerful forces that are closely related to each other. Both forces can be understood through the concepts of electric charge and magnetic field, which are the basis of their interconnection.Magnetism refers to the force that allows attraction and repulsion between magnetic objects. A magnetic field ...
Neodymium magnets are the most sought-after magnetsNeodymium magnets are the most sought-after for their magnetic properties, this magnet is part of the group of permanent magnets. This type of magnet is made of an alloy of neodymium, iron, and boron. It is the strongest permanent magnet, which makes it particularly attractive for all kinds of industrial applications and that is why ...
Induced magnetismInduced magnetism is a non-magnetized magnetic material coming into contact with a pole of a permanent magnet. Consequently, the unmagnetized material becomes a magnet. As soon as the magnetic field disappears, the magnetism of the magnet is lost. Induced magnetism is known because magnetism is induced in material that lacks magnetism.
Source of the magnetic fieldThe source of the magnetic field is created by magnetic energy.There are three sources for creating a magnetic field:Permanent magnet: the magnet atom has electrons that rotate around the nucleus creating a magnetic field.Current-carrying conductor: in this case there is a wire ...
AntiferromagnetismAntiferromagnetism was discovered by Louis Neel in 1930, it was from the theory of ferromagnetism, that he realized that in several substances in atoms the electrons are aligned in the opposite way. As a result, the electrons neutralize each other, resulting in a zero magnetic effect. This set of events gave rise to the antiferromagnetic phenomenon. Then in 1970, Louis ...
What is a resistive magnet?The resistive magnet is a kind of electromagnet that is used to treat high current values, in the same way as coil cooling. Unlike permanent magnets, electromagnets allow us to turn them on and off whenever we need them, we only have to disconnect them from the power supply. On the other hand, resistive magnets have ...
About magnets, Scientific Disclosure
Rare earth magnets and ceramic magnetsRare earth magnets and ceramic magnets are permanent magnets. Permanent magnets are objects that have the ability to maintain the property of magnetization for an extended period of time. Depending on the properties of the magnet, we find neodymium, ferrite, alnico, and samarium magnets.The rare earth group is composed of ...
Do we know the differences between neodymium, ferrite, and alnico magnets?Neodymium, ferrite, and alnico magnets are part of the permanent magnet group. Permanent magnets are known for their permanent and long-lasting ability to maintain their magnetism. Despite being within the same type of magnets, they have different characteristics that allow us to differentiate ...
Why does the automotive industry require magnetic measurements?The automotive industry includes all activities related to the development, design, manufacture, marketing... of automobiles. From a worldwide point of view, we are the eighth largest automobile manufacturer in the world.Since 1885, when Karl Benz created the first automobile that required gasoline for its operation. Since then, the automotive ...
How can a magnet produce sound and good acoustics?A magnet can produce good acoustics, since sound is produced by sound waves. These sound waves are picked up by the ear and then transformed into nerve impulses. Magnetism and sound are related, the electrons rotate around the atom, this movement emits a magnetic field related to an external field, this effect is known ...
The best magnets for walls with magnetic paintMagnetic paint is a type of magnetic wall which employs the paint containing iron particles, these particles offer us magnetic properties. This is a great option to avoid making holes in the walls.Magnetic paints provide us with several properties such as:Adaptability = magnetic paints ...
What does magnetization mean?The word magnetization comes from the verb magnetize which means to give magnetic properties to a body and from the suffix -tion which means: the fact or action. Therefore, magnetization is the action given to an element to acquire magnetic qualities. These elements with these properties are known as ...
Electric motors todayElectric motors can be found today in several sectors, the best known are industrial, mining, automotive, and commercial. There is a great variety of electric motors for any need.Electric motors can be of direct current and alternating current. DC motors convert electrical energy into mechanical energy, most commonly found in the automotive ...
What is the Curie temperature of magnets?The Curie temperature is known as the temperature at which the ferromagnetic element starts to lose its magnetism and becomes paramagnetic when this temperature is exceeded. In the case that the material is below the Curie temperature, magnetic materials are transformed into ferromagnetic ones. This temperature comes from Curie's law: it states that the susceptibility ...
What substances are magnetic?Magnetic substances are substances that have the ability to attract other magnetic elements or also known as magnets. The best known magnetic substances are:- Iron- Steel- Cobalt
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