早教吧 育儿知识 作业答案 考试题库 百科 知识分享

午夜截止,写不出来我就死定了!Acurrentof0.5ampereflowsthrougha60Ohmlamp.Theappliedpotentialdifference(inV)is?

题目详情
午夜截止,写不出来我就死定了!
A current of 0.5 ampere flows through a 60 Ohm lamp.The applied potential difference (in V) is?
▼优质解答
答案和解析
30
who want to kill you