ampere
名词 n.
英 /ˈæmˌpɛər/
美 /ˈæmˌpɪəɹ/|/ˌæmˈpɪəɹ/
英文释义
名词 n.
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A unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A
— Definition: The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602 176 634 x 10⁻¹⁹ when expressed in the unit C, which is equal to A s, where the second is defined in terms of Δν_(Cs). (The International Bureau of Weights and Measures)
词源
Named after French physicist André-Marie Ampère (1775–1836).
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