百度试题 结果1 题目The unit of energy is ___. A. newton B. joule C. watt D. ampere 相关知识点: 试题来源: 解析 B。能量的单位是焦耳(joule)。牛顿(newton)是力的单位,瓦特(watt)是功率单位,安培(ampere)是电流单位。反馈 收藏
百度试题 结果1 题目The unit of electrical power is the: A. Volt B. Ampere C. Watt D. Ohm 相关知识点: 试题来源: 解析 C 反馈 收藏
(redirected fromWatt-hours) Thesaurus Encyclopedia Related to Watt-hours:Megawatt hour watt-hour (wŏt′our′) n.Abbr.WHorW-hr A unit of energy, especially electrical energy, equal to the work done by one watt acting for one hour and equivalent to 3,600 joules. ...
Watt, in electrical terms, is the power developed when one volt of potential difference drives a current of one ampere. The device draws 2 amperes at 230 volts, resulting in 460 watts. 5 Joule The International System unit of electrical, mechanical, and thermal energy, equal to the work don...
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百度试题 结果1 题目What is the unit of electrical power? A. Volt. B. Ampere. C. Ohm. D. Watt. 相关知识点: 试题来源: 解析 D。解析:电功率的单位是瓦特。伏特是电压单位,安培是电流单位,欧姆是电阻单位。反馈 收藏
百度试题 结果1 题目In the SI system, the unit name of “watt” is to represent ( ).A.forceB.frequencyC.heatD.power 相关知识点: 试题来源: 解析 D 根据弧长公式计算,得到答案. 反馈 收藏
A watt (W) is a unit of power, and power is the rate at which energy is produced or consumed. Think of watts as a measure of electrical flow. Does an electrical device need a big flow or a small flow to work? For example, a 100 W light bulb uses energy at a higher rate than...
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