如图所示,虚线框内为改装好的电表,M、N为新表的接线柱。已知灵敏电流计G的满偏电流为
,内阻为
,电阻箱读数为
,根据以上数据计算可知改装的电表为( )
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898448762568704/2898817538252800/STEM/473fbcf6-589f-49d4-aa29-e27d54eb8e65.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0c34d6771a83d8eed366b78fdfb526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b29370e2243a70751800762d7126ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78aa8e890d2ac882e0fe79598811777a.png)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898448762568704/2898817538252800/STEM/473fbcf6-589f-49d4-aa29-e27d54eb8e65.png?resizew=191)
A.电压表,量程为![]() | B.电流表,量程为![]() |
C.电压表,量程为![]() | D.电流表,量程为![]() |
更新时间:2022-01-21 00:02:17
|
【知识点】 灵敏电流计改装成电流表
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【推荐1】某同学用一个微安表头(量程
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A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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【推荐2】如图所示,甲、乙两个电路都是由一个表头和一个电阻
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A.甲表是电流表,![]() |
B.甲表是电压表,![]() |
C.乙表是电流表,![]() |
D.乙表是电压表,![]() |
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