如图,一理想变压器原线圈接入一交流电源,副线圈电路中
、
和
均为定值电阻,开关闭合时,
、
为理想电压表,读数分别为
、
;
、
为两理想电流表的读数分别为
、
。若交流电源电压不变,现断开
,下列推断正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/8e8da017-ea4b-4d55-bdbd-7ba2fda50900.png?resizew=307)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2c4640b2bee411935f588fc5433c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fade4e14bf5845ff14f9e95bb6bfef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40f1d184152aa3954752ed70e7d1612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd5f9ecb870fedb5b9a608d9ca2f911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f833a7beb83820ecede0234c671f1878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024e2379c58191758f8bd7602a6bcb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34a75c2a392f235c5f07b91d9fb58d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1ac49b4139636fb1809fe970b23a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1a0fd1ad044a9ecfcba672779bd678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a454a2c91ace8ef50412a6adf91f8086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/8e8da017-ea4b-4d55-bdbd-7ba2fda50900.png?resizew=307)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
更新时间:2018-07-06 05:43:37
|
【知识点】 变压器两端电路的动态分析
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A.交流电周期是0.20s,![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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