Maxwell and Ampere’s Law

When referring to the currents of displacement, it is inevitable to mention that the researcher James Clerk Maxwell was the one who concluded the main foundation on the current of displacement so that it was possible to make the Law of Ampère something consistent, according to the principle of conservation of different charges in specific cases, as in the case where the electric charge must accumulate in a capacitor, for example.

It is worth remembering that the student interpreted this phenomenon as a real movement of charges, which even in the vacuum, a situation in which he assumed that it would correspond to the movement of charges of a dipole in the ether.

Thus, the traditional forms refer to two electrodes or plates that must carry the storage of opposing charges. The plates have conductive properties, being properly separated by an insulator or dielectric. In this way, because each board can store equal loads, even if they are opposite, the total load on the device will always be zero.

Even though this interpretation has been disregarded, Maxwell’s correction to Ampere’s law remains valid, emphasizing that a variable electric field can produce a magnetic field.

Mesmo que essa interpretação tenha sido desconsiderada, a correção de Maxwell à lei de Ampere continua válida, ressaltando que um campo elétrico variável pode produzir um campo magnético.

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