灯L1上标有"220V 60W",灯L2上标有"220V 15W",则灯丝的电阻R1( ),详细见下面.灯L1上标有"220V 60W",灯L2上标有"220V 15W",则灯丝的电阻R1( )(选填”>“,”=“或”<“)R2,灯丝较粗的是();若将
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 16:59:54
![灯L1上标有](/uploads/image/z/12958904-56-4.jpg?t=%E7%81%AFL1%E4%B8%8A%E6%A0%87%E6%9C%89%22220V+60W%22%2C%E7%81%AFL2%E4%B8%8A%E6%A0%87%E6%9C%89%22220V+15W%22%2C%E5%88%99%E7%81%AF%E4%B8%9D%E7%9A%84%E7%94%B5%E9%98%BBR1%EF%BC%88+%EF%BC%89%2C%E8%AF%A6%E7%BB%86%E8%A7%81%E4%B8%8B%E9%9D%A2.%E7%81%AFL1%E4%B8%8A%E6%A0%87%E6%9C%89%22220V+60W%22%2C%E7%81%AFL2%E4%B8%8A%E6%A0%87%E6%9C%89%22220V+15W%22%2C%E5%88%99%E7%81%AF%E4%B8%9D%E7%9A%84%E7%94%B5%E9%98%BBR1%EF%BC%88+%EF%BC%89%EF%BC%88%E9%80%89%E5%A1%AB%E2%80%9D%EF%BC%9E%E2%80%9C%2C%E2%80%9D%3D%E2%80%9C%E6%88%96%E2%80%9D%EF%BC%9C%E2%80%9C%EF%BC%89R2%2C%E7%81%AF%E4%B8%9D%E8%BE%83%E7%B2%97%E7%9A%84%E6%98%AF%EF%BC%88%EF%BC%89%EF%BC%9B%E8%8B%A5%E5%B0%86)
x){ɎgڟT222S03WII%v=1S;{:u^_|wۋOvtH
O~0y Y@Y4 0HbƋ}7Mlzn_t/}&HƞT
'=ٽm/< vM Kɮu huuAt?ٱz6v6#=M`lhnat 87@!.(\!IlA6yvРsPxڿ@*( l7ā
2R C0id&