小盼和小汉是学习中的好伙伴,这不,学习到电功率知识,他们又在一起讨论一些新的问题.让我们一起去看一看.1.对学校里灯的观察例1学校学生宿舍走廊的灯泡容易损坏,经常需要更换.电工小王在原来电灯的位置,接入两盏与原来一样的白炽灯.小盼和小汉注意到, Xiaopan and Xiaohan are good partners in the study. This does not. After learning the knowledge of electric power, they discuss some new issues together. Let’s take a look together. 1. Observation of lamps in schools Example 1 School students Light bulbs in the dormitory corridors are easily damaged and often need to be replaced. The electrician Xiao Wang has access to the same incandescent lamp as the original one at the location of the original electric light. Xiao Pan and Xiaohan noted that