The Hall effect probe for gaussmeter, origin and applicationWhen we talk about the Hall effect probe, we first need to clarify some terms. First of all, its origin, which bears the name of its inventor Edwin Herbert Hall since its discovery in 1879. As we have already explained elsewhere in our blog, we often talk about ...
How to create Eddy currents?Eddy currents are also known as “Foucault current” in English. These are electrical currents which, using an Eddy current separator, form a variation over time, cutting even the smallest non-ferrous metals.First, let's clarify how it works. For this we must look more closely at the principle and the functioning of the Eddy ...
What does the Oersted unit mean?The Oersted unit is named after the Danish physicist and chemist Hans Christian Oersted. In 1820, he discovered the link between electric current and magnetism, although the latter had already been established before him, without going into detail or going into details.Almost 40 years later, Maxwell clarified these relationships in Maxwell's equations, which ...
Which is the magnetic moment?When we talk about the magnetic moment, we talk about a unit or a vector, which describes magnetic processes. More specifically, it indicates the strength of a magnetic dipole, which represents the relationship between the external magnetic field and the strength of that field itself.The external magnetic field, together with its flux density, can affect ...
What is electromagnetism?Electromagnetism is exactly what the term describes, a magnetic effect that is the result of electric currents. Everything is defined as it follows:All phenomenons in which electric currents and magnetic fields are linked.In the following article, however, we would like to take a closer look at electromagnetism to explain what exactly ...
What’s Pauli's principle?Pauli’s principle, also known as the Pauli ban or the Paulian exclusion principle, was discovered in 1924 by physicist Wolfgang Ernst Pauli, who almost 20 years later also received the Nobel Prize for his work. Generally speaking, according to Pauli's principle, two electrons in an atom should never have exactly the same state. This description makes it clear why it is also called a ...
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Magnetism. What is it?We say we know what magnets are, but are we really aware of what magnetism means? Probably the best known and classic application in which we benefit from magnetic forces is the compass. In the end, even our own land is a big magnet. In fact, the phenomenon of magnetic attraction was first discovered in Greece. In the city of Magnesia it was observed ...
What are electromagnetic waves?Electromagnetic waves are waves that we cannot see but are composed of electromagnetic energy. Since the forces of this energy or electric and magnetic fields change both temporally and spatially, they are known as waves.But how are these electromagnetic waves ...
What is Lorentz's strength?Lorentz's strength was discovered by Dutch physicist Hendrik Antoon Lorentz and describes the force acting on individual moving electrical charges within a magnetic field. A possible definition and the physical formula with which the Lorentz force is calculated is as follows:"If a charged particle "q" moves at a velocity "v" perpendicular to the field lines of ...
What is hysteresis?To clarify what hysteresis is, we must first look at the term itself. The hysteresis comes from the Greek histeros (ὕστερος), which can be translated as "posterior". Hysteresis is translated into German as "aftereffect".This is exactly what hysteresis is all about. Therefore, a general definition of the term is: "It is the tendency of a material to retain one of its properties, ...
Maxwell's equationsElectric and magnetic charges are closer to each other than some might have thought. Maxwell's 4 equations describe exactly this fact. That is, the generation and therefore also the size or strength of the magnetic and electric fields. They were defined by James Clerk Maxwell in 1864 and still provide the basis for electrodynamics today.Maxwell's ...
About magnets, Industrial Applications, News, Scientific Disclosure
The Gauss. The strength of the magnetic fieldThe Gauss is nothing more than the unit used to measure the strength of a magnetic field and gaussmeter the instrument used to make that measurement. The higher the number of Gauss, the more force the magnetic field will have, so the greater the distance will be reached from the surrounding magnet. This measure is ...
About magnets, News, Scientific Disclosure
What is the coercivity of a magnet?The coercive magnetic field strength (Hc) denotes the magnetic field strength required to completely demagnetize a charged magnet.What does coercivity mean?Magnetic coercivity is the magnetic field strength that must be applied to demagnetize a magnetic product such as a ferrite magnet , pre-charged to its saturation flux density.
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Magnetic measurement using the best gaussimetersWe have already explained, in previous articles, that gaussimeters are special instruments used for magnetic measurement, that is, it inspects and checks the flow density, being one of the most universal devices for this purpose.
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What does biomagnetism mean?Biomagnetism is a revolutionary, scientific and therapeutic approach to wellness that differs from traditional medicine, homeopathy, herbs and natural therapies, but is perfectly compatible with any other traditional or alternative modality.It is one of the alternative uses of magnets, representing an internationally practiced health approach that strives to achieve a bioenergetic balance in the human ...
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