单选题-单题 较易0.85 引用1 组卷32
如图,一理想变压器原线圈两端所加的电压U1=220V时,副线圈两端的电压U2=22V.若此变压器副线圈的匝数n2=200,则原线圈的匝数n1为( )
![](https://img.xkw.com/dksih/QBM/2020/6/14/2484710240157696/2485244590415872/STEM/4b8ec907-b8c0-4c26-bccc-a2a8f0130b29.png?resizew=156)
![](https://img.xkw.com/dksih/QBM/2020/6/14/2484710240157696/2485244590415872/STEM/4b8ec907-b8c0-4c26-bccc-a2a8f0130b29.png?resizew=156)
A.200 | B.100 | C.2000 | D.1000 |
19-20高二下·江西南昌·期中
类题推荐
如图所示,理想变压器原线圈的匝数n1=550匝,副线圈的匝数n2=110匝.现在要使副线圈两端得到U2=220V的电压,原线圈两端应接入的电压U1是( )
![](https://img.xkw.com/dksih/QBM/2019/7/8/2242247891763200/2244090843365376/STEM/add867d3-6263-49ce-8735-90ccb3f0605b.png?resizew=172)
![](https://img.xkw.com/dksih/QBM/2019/7/8/2242247891763200/2244090843365376/STEM/add867d3-6263-49ce-8735-90ccb3f0605b.png?resizew=172)
A.1100V | B.550V | C.110V | D.44V |
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