如图所示,将表头G改装成一大量程的电表,表头的内阻
,满偏电流
,定值电阻
。则以下说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/5144e770-408c-48f7-9731-440cd08eb8c7.png?resizew=113)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487ea6226a74553b31db3a50fa23dcab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449a56e33a3525126e97015b63f45dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5963723b0a087a0e20191d619c8bea1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/5144e770-408c-48f7-9731-440cd08eb8c7.png?resizew=113)
A.此表头改成电压表,量程为1.5V |
B.此表头改成电压表,量程为15V |
C.此表头改成电流表,量程为150mA |
D.此表头改成电流表,量程为300mA |
更新时间:2023-12-27 15:33:35
|
【知识点】 灵敏电流计改装成电流表
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