what is ampere. hello anyone my friend online
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The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 meter apart in vacuum, would produce between these conductors a force equal to 2 x 10-7 newton per meter of length.
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Ampere, unit of electric current in the International System of Units (SI), used by both scientists and technologists. ... Named for 19th-century French physicist André-Marie Ampère, it represents a flow of one coulomb of electricity per second.
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