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1 . 如图所示,开关S处于闭合状态,小灯泡A和B均正常发光,小灯泡A的电阻大于线圈L的电阻,现断开开关S,以下说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/4/2/2691307298308096/2691392105037824/STEM/29a494a5-687b-4367-869f-49bde9f0f0ce.png?resizew=176)
![](https://img.xkw.com/dksih/QBM/2021/4/2/2691307298308096/2691392105037824/STEM/29a494a5-687b-4367-869f-49bde9f0f0ce.png?resizew=176)
A.小灯泡A越来越暗,直到熄灭 |
B.小灯泡B越来越暗,直到熄灭 |
C.线圈L中的电流会立即消失 |
D.线圈L中的电流过一会再消失,且方向向右 |
您最近一年使用:0次
2021-04-02更新
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453次组卷
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4卷引用:上海市上海师范大学附属中学2022-2023 学年高二上学期期末考试物理试卷
名校
2 . 如图所示,
为灯泡,
为自感系数很大的线圈,其直流电阻可忽略不计,
为电源,
为定值电阻,
为开关,下列正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/4073b0c0-62d3-4ed6-a938-c3dd254bc34b.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9b4a83b9aebebf29de0c4406ebf894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/4073b0c0-62d3-4ed6-a938-c3dd254bc34b.png?resizew=138)
A.合上开关,![]() |
B.合上开关,![]() |
C.电路稳定后断开开关,![]() |
D.电路稳定后断开开关,![]() |
您最近一年使用:0次
2020-02-26更新
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251次组卷
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3卷引用:上海市第三女子中学2022-2023学年高二下学期期中物理试题(等级考)