Cutkosky, Evaluation of the NBSunit of resistancebased on a calculable capacitor, J. The ampere and electrical standards If these parts of the main-dial circuit have the correct ratio, theunit of resistancein which they are adjusted is immaterial. ...
Related to Amperes:resistance,voltage,Volts,Ampere's law am·pere (ăm′pîr′) n.Abbr.A Thebasicunitofelectriccurrent,equaltoonecoulombpersecondandequivalenttothecurrent,flowingintwostraightparallelwiresofnegligiblecrosssectionseparatedby adistanceofonemeter,thatproducesaforcebetweenthewiresof2.0× 10-...
(1881, first International Congress of Electricians), its definition has undergone a series of changes. Initially the ampere was defined as the current strength that flows along a conductor having a resistance of 1 ohm when the potential difference at the ends of the conductor is 1 volt. In ...
百度试题 结果1 题目What is the unit of electric current? A. volt B. ampere C. ohm D. watt 相关知识点: 试题来源: 解析 B。解析:electric current 的单位是 ampere(安培),volt 是电压的单位,ohm 是电阻的单位,watt 是功率的单位。反馈 收藏 ...
represented by the letter symbol R. The unit of resistance is Ohm, a term that is often expressed by. One ohm is defined as that amount of resistance that will limit the current in a conductor is one ampere when the voltage applied to the conductor is one 反对潮流称电阻和由字母符号R....
The unit of force is ___. A. newton B. joule C. watt D. ampere 相关知识点: 试题来源: 解析 A。力的单位是牛顿,选项 A 正确。选项 B“joule”是焦耳,是能量单位;选项 C“watt”是瓦特,是功率单位;选项 D“ampere”是安培,是电流单位。反馈...
chapter 1 fundamentals of electric circuits section 1 current and voltage n text n new words and expressions n exercises
ohm- a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere megohm- a unit of resistance equal to one million ohms ...
What is the unit of electrical current? A. Volt B. Ampere C. Ohm D. Watt 相关知识点: 试题来源: 解析 B。解析:电流的单位是安培。A 选项伏特是电压单位;C 选项欧姆是电阻单位;D 选项瓦特是功率单位。口语对话要点:讨论电学单位的含义和用途。
(General Physics) the principle that the electric current passing through a conductor is directly proportional to the potential difference across it, provided that the temperature remains constant. The constant of proportionality is the resistance of the conductor ...