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1 . 如图甲所示,理想变压器原、副线圈匝数比
,V为理想交流电表,灯泡电阻
,AB两端所接交变电流如图乙所示。下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/454b6c66-5ba8-4d62-a3f7-20d90980132a.png?resizew=428)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dec9d37d9c485cafa8303e44ca68afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff05c9e02c83badfd519f8a49f3ac534.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/454b6c66-5ba8-4d62-a3f7-20d90980132a.png?resizew=428)
A.电流频率为100Hz |
B.V的读数为18V |
C.![]() |
D.变压器输入功率为81W |
您最近一年使用:0次
2022-07-13更新
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265次组卷
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7卷引用:吉林省白城市通榆县高中2022-2023学年高二上学期期末联合考试物理试题
名校
2 . 如图甲所示,理想变压器原、副线圈的匝数比为5:1,
、
、
、
、
、
为六只规格均为“6V,3W”的相同灯泡,各电表均为理想交流电表,输入端交变电压的
图像如图乙所示。以下说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/2020/12/31/2625890343682048/2627455831056384/STEM/7a6959b7-bf90-4993-9af9-6b0563fd7ca0.png?resizew=613)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e76322da99c521981992a53339042c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afbfe404ad5febf1904d763974967b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cddc914628565e13f2980fdfa8caa739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be532a2e831955f10d72048cc6b36011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c452df5d792ae8c5a6be63368cd2ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a741fe4cf084db57098026c60eda9cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5d85796a77015665221e351c08b12c.png)
![](https://img.xkw.com/dksih/QBM/2020/12/31/2625890343682048/2627455831056384/STEM/7a6959b7-bf90-4993-9af9-6b0563fd7ca0.png?resizew=613)
A.副线圈两端交变电流的频率为50Hz | B.电压表的示数为36V |
C.只有![]() | D.1min内消耗的电能为![]() |
您最近一年使用:0次
2021-01-02更新
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570次组卷
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6卷引用:吉林省松原市榆树实验、九台一中、前郭、农安、150-2022-2023学年高二下学期7月期末物理试题