science

definition of ampere

The ampere, also called amp, is the unit of constant electric current intensity, charge per unit of time that a material travels, which, being maintained in this way, in two parallel, straight conductors, of infinite length, of circular section and located one meter from each other in the vacuum, produces a force equal to 2 × 10-7.

As a consequence, the ampere is an integral part of the basic units in the International System of Measurements as is the case with the meter, the second and even the kilogram and has received such a name in honor of André-Marie Ampere, a French mathematician and physicist which gained enormous relevance in the nineteenth century, after for example discovering the mutual actions between electric currents, demonstrating, without a doubt, what we mentioned earlier, that two parallel conductors through which a current circulates in the same direction, They will inevitably attract each other, on the other hand, if the directions of the current are opposite, they will repel each other.

On the other hand, the symbol with which the ampere or ampere is represented is the capital letter a (A), This is so because in the units established by the International System of Measurements, if the unit has been named with the proper name of an individual, such is the case of the ampere, the symbol will be the first letter of the proper name in question and it will be written in capital letters.

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