配套习题- 磁生电 -【青果学苑】

1/5单选题

难度：

1.下列关于电磁现象的说法中，不正确的是（　　）

A	通电导线周围存在磁场
B	发电机是根据电磁感应现象制成的
C	电磁铁磁性的强弱与电磁铁线圈的匝数有关
D	只要导体在磁场中运动，就会产生感应电流

正确答案：RA==

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2/5多选题

难度：

2.关于电磁现象,下列说法中正确的是

A	通电线圈在磁场中受力转动的过程中,机械能转化为电能
B	指南针能指南是由于地磁场对指南针磁极有力的作用
C	磁场中某点的磁场方向是由放在该点的小磁针决定的
D	闭合电路的部分导体在磁场中做切割磁感线运动时,导体中一定产生电流

正确答案：QixE

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

3/5单选题

难度：

3.如图所示的环保型手电筒，筒内没有电池，使用时只要来回摇晃手电筒，使永磁体在线圈中来回运动，灯泡就能发光．这种手电筒电源的工作原理是（　　）

A	电磁感应现象
B	电流的磁效应
C	磁极间的相互柞用
D	通电导体在磁场里受力运动

正确答案：QQ==

5omL55S1562S5Lit5rKh5pyJ55S15rGg77yM5Zyo5pmD5Yqo5omL55S1562S5pe277yM5omL55S1562S5Lit55qE5rC456OB5L2T5Zyo57q/5ZyI5Lit6L+Q5Yqo77yM6L+Q5Yqo5piv55u45a+56ICM6KiA55qE77yM55u45a+55LqO5rC456OB5L2T6ICM6KiA77yM57q/5ZyI5Zyo5YGa5YiH5Ymy56OB5oSf57q/6L+Q5Yqo77yM57q/5ZyI5Lit5bCx5Lya5Lqn55Sf5oSf5bqU55S15rWB77yM55S15rWB6YCa6L+H54Gv5rOh5pe277yM5bCP54Gv5rOh5bCx5Lya5Y+R5YWJ77yOPGJyPuaVhemAiUHvvI4=

4/5单选题

难度：

4.如图所示的四个实验装置中，用来探究电磁感应现象的是（　　）

A
B
C
D

正确答案：QQ==

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

5/5单选题

难度：

5.在下图所示四个实验中能用来探究电磁感应现象的是（　　）

A
B
C
D

正确答案：Qw==

QeOAgULkuK3lnYfnlLHnlLXmsaDnu5nmlL7lnKjno4HlnLrkuK3nmoTlr7zkvZPkvpvnlLXvvIzlupTmjqLnqbbpgJrnlLXlr7zkvZPlnKjno4HlnLrkuK3nmoTlj5flipvmlrnlkJHkuI7nlLXmtYHmlrnlkJHnmoTlhbPns7vvvIzmlYVB44CBQumUmeivr++8mzxicj5D5Li65pS+5YWl56OB5Zy65Lit55qE57q/5ZyI5Zyo56OB5Zy65Lit6L2s5Yqo5pe277yM55S15rWB6KGo5Lit5Lya5Lqn55Sf5oSf5bqU55S15rWB77yM5pWFQ+W6lOa8lOekuuS6hueUteejgeaEn+W6lOeOsOixoe+8mzxicj5E44CB6YCa6L+H55S15rGg57uZ57q/5ZyI5L6b55S177yM5Li655S15Yqo5py65qih5Z6L77ybPGJyPuaVhemAiUPvvI4=