What Is Electromagnetic Physics?

Electromagnetism, one of the physical concepts, is a collective term for the electrical and magnetic properties exhibited by matter. Such as electromagnetic induction, electromagnetic waves and so on. Electromagnetism was discovered by Danish scientist Oster. The cause of electromagnetic phenomena is that the movement of charges generates waves and forms a magnetic field, so all electromagnetic phenomena cannot be separated from the electric field. Electromagnetics is a branch of physics that studies the interaction between electric and magnetic fields, their laws and applications. Maxwell's hypothesis on the magnetic field generated by changing electric fields laid the entire theoretical system of electromagnetics, developed electric and electronic technologies that have a significant impact on modern civilization, and profoundly influenced people's thinking about the physical world.

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Electromagnetism is a reaction of energy, which is a general term for the electrical and magnetic properties of matter.

The linear current is taken as an example. The fluctuation of the moving charge is based on the small magnetic needle N to the right of the linear current I. When the small magnetic needle N is reduced to a circular current abcd , although the points a , b , c , and d are all in the linear current I Within the range of fluctuation, but the energy of adjacent motion at points a , b , c , and d is not the same. Obviously, E a > E c and E b = E d . In this way, the fluctuation of the linear current I has a clockwise effect on the ring current abcd of the small magnetic needle N.

Electromagnetism is a branch of physics that studies the phenomenon of electromagnetic interaction and its interaction and its laws and applications.

In the early days, magnetic phenomena were considered to be independent of electrical phenomena, but also due to the development and application of magnetism itself, such as the development of modern magnetic materials and magnetic technology, the discovery and application of new magnetic effects and magnetic phenomena, etc. And so on, the content of magnetism is constantly expanding, so in fact magnetism has been studied as a discipline parallel to electricity.

Electromagnetism has evolved from two independent sciences (electricity, magnetism) into a complete branch of physics, mainly based on two important experimental findings, namely

On August 11, 2014, researchers from the University of Western Australia and Paris 6 University of France confirmed that scientists used a low-intensity test (called low-intensity repetitive transcranial magnetic stimulation, LI- rTMS). ^[1]

Studies have shown that even under low-intensity conditions, electromagnetic pulse stimulation can reduce abnormal neural connections in the brain and transfer them to the correct areas in the brain. The findings have been published in the journal Neuroscience. The findings have important implications for treating many neurological disorders related to brain tissue abnormalities, such as depression, epilepsy, and tinnitus. ^[1]

Brain reorganization occurs in several different brain regions, covering almost the entire neural network. More importantly, this structural reorganization did not appear in the non-abnormal brain regions of abnormal mice, suggesting that the therapy may have only minimal side effects in the treatment of humans. ^[1]