| 单词 | voltaic cell |
| 释义 | volt1 /vōlt/nounA derived SI unit, the unit of electromotive force, electric potential, or potential difference (symbol V), equal to the potential difference across a conductor when one ampere of current in it dissipates one watt of power ORIGIN: Alessandro Volta (1745–1827), Italian scientist volta- /vol-tə-/ combining form Denoting voltaic, as in volta-electricity and volta-electric voltage /voltˈ or vōltˈij/ noun
voltaic /vol-tāˈik/ adjective
volˈtaism noun The branch of electricity concerning the production of an electric current from the chemical interaction of two immersed dissimilar metals voltameter /vol-tamˈi-tər/ noun An instrument formerly used for measuring an electric current by means of the amount of metal deposited, or gas liberated, from an electrolyte in a given time by the passage of the current vōltˈmeter noun An instrument for measuring electromotive force directly, calibrated in volts voltage divider noun A chain of impedances, most commonly resistors or capacitors, such that the voltage across one or more is an accurately known fraction of that applied to all voltaic cell noun A primary cell volt-ampˈeres plural noun The product of actual voltage (in volts) and actual current (in amperes) in a circuit |
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