一个标有“220V1.1kw”的电水壶,在额定电压下工作.求: (1)电水壶正常 发布时间:2017-05-24 13:15 │ 来源:www.tikuol.com 题型:问答题 问题: 一个标有“220V 1.1kw”的电水壶,在额定电压下工作.求:(1)电水壶正常工作时通过它的电流强度(2)电水壶的电阻(3)通电10分钟,电水壶产生的热量.
题型:问答题 On a lifeboat equipped with Rottmer-type releasing gear,turning the releasing lever releases().A.the painterB.the after boat fall only if the boat is waterborneC.both falls at the same time only if the boat is waterborneD.both falls at the same time even if the boat has not reached the water 查看答案