单选题 适中0.65 引用4 组卷365
下列四幅图中所看到的现象或应用中,说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/3/31/2689990138871808/2690491098554368/STEM/51fb854a-5a97-49f6-b83a-57a6c0420d70.png?resizew=102)
![](https://img.xkw.com/dksih/QBM/2021/3/31/2689990138871808/2690491098554368/STEM/6d3fd62e-84d8-457b-a23d-d4aee84d6b52.png?resizew=128)
![](https://img.xkw.com/dksih/QBM/2021/3/31/2689990138871808/2690491098554368/STEM/fad60ee5-d8a6-429d-aa70-ca85dd502de1.png?resizew=144)
![](https://img.xkw.com/dksih/QBM/2021/3/31/2689990138871808/2690491098554368/STEM/95f71139-2cdb-4823-9385-409776c6a557.png?resizew=138)
![](https://img.xkw.com/dksih/QBM/2021/3/31/2689990138871808/2690491098554368/STEM/51fb854a-5a97-49f6-b83a-57a6c0420d70.png?resizew=102)
A.甲:该实验的结论是线圈匝数越多,电磁铁磁性越强 |
B.乙:电动汽车是该实验的具体应用之一 |
C.丙:闭合开关ab导线上下移动,灵敏电流表会发生偏转 |
D.丁:该实验说明磁场对电流有力的作用 |
2021·江苏泰州·模拟预测
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如图所示,对下列电磁现象相应的说明正确的是( )
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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