中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：6Zet5ZCI55S16Lev55qE5LiA6YOo5YiG5a+85L2T5Zyo56OB5Zy65Lit5YGa5YiH5Ymy56OB5oSf57q/6L+Q5Yqo5pe277yM5a+85L2T5Lit5bCx5Lya5Lqn55Sf5oSf5bqU55S15rWB77yO5a+85L2T5Y+q5pyJ5YGa5YiH5Ymy56OB5oSf57q/6L+Q5Yqo5omN5Lya5Lqn55Sf55S15rWB77yM5aaC5p6c5a+85L2T55qE6L+Q5Yqo5pa55ZCR5LiO56OB5Zy65pa55ZCR55u45ZCM77yM5YiZ5LiN5Lya5Lqn55Sf5oSf5bqU55S15rWB
- 答案：RA==
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
本课配套习题挑战模式2/5
多选题
难度系数：
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5oyH5Y2X6ZKI6IO95oyH5Y2X5LiO5Zyw56OB5Zy65pyJ5YWz
- 提示2：6YCJ6aG5ROa7oei2s+ejgeeUn+eUteeahOS4pOS4quadoeS7tu+8mumXreWQiOeUtei3r+WSjOmDqOWIhuWvvOS9k+WIh+WJsuejgeaEn+e6vyzmiYDku6Xlr7zkvZPkuK3kuIDlrprkuqfnlJ/nlLXmtYE=
- 答案：QixE
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
本课配套习题挑战模式3/5
单选题
难度系数：
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 |
一次做对，真牛！
+5奖励规则>
- 提示1：5omL55S1562S5Lit5rKh5pyJ55S15rGg77yM5Zyo5pmD5Yqo5omL55S1562S5pe277yM5omL55S1562S5Lit55qE5rC456OB5L2T5Zyo57q/5ZyI5Lit6L+Q5Yqo77yM6L+Q5Yqo5piv55u45a+56ICM6KiA55qE77yM55u45a+55LqO5rC456OB5L2T6ICM6KiA77yM57q/5ZyI5Zyo5YGa5YiH5Ymy56OB5oSf57q/6L+Q5Yqo77yM57q/5ZyI5Lit5bCx5Lya5Lqn55Sf5oSf5bqU55S15rWB
- 答案：QQ==
5omL55S1562S5Lit5rKh5pyJ55S15rGg77yM5Zyo5pmD5Yqo5omL55S1562S5pe277yM5omL55S1562S5Lit55qE5rC456OB5L2T5Zyo57q/5ZyI5Lit6L+Q5Yqo77yM6L+Q5Yqo5piv55u45a+56ICM6KiA55qE77yM55u45a+55LqO5rC456OB5L2T6ICM6KiA77yM57q/5ZyI5Zyo5YGa5YiH5Ymy56OB5oSf57q/6L+Q5Yqo77yM57q/5ZyI5Lit5bCx5Lya5Lqn55Sf5oSf5bqU55S15rWB77yM55S15rWB6YCa6L+H54Gv5rOh5pe277yM5bCP54Gv5rOh5bCx5Lya5Y+R5YWJ77yOPGJyPuaVhemAiUHvvI4=
本课配套习题挑战模式4/5
单选题
难度系数：
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:  |
一次做对，真牛！
+5奖励规则>
- 提示1：6KOF572u5Lit77yM6Iul5byA5YWz6Zet5ZCI77yM6YeR5bGe5qOS5bem5Y+z5YiH5Ymy56OB5oSf57q/6L+Q5Yqo77yM5q2k5pe255S16Lev5Lit5bCx5Lya5Lqn55Sf55S15rWB77yM5piv55S156OB5oSf5bqU5a6e6aqM6KOF572u77yM5pWFQeespuWQiOmimOaEjw==
- 答案：QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数：
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:  |
一次做对，真牛！
+5奖励规则>
- 提示1：Q+S4uuaUvuWFpeejgeWcuuS4reeahOe6v+WciOWcqOejgeWcuuS4rei9rOWKqOaXtu+8jOeUtea1geihqOS4reS8muS6p+eUn+aEn+W6lOeUtea1ge+8jOaVhUPlupTmvJTnpLrkuobnlLXno4HmhJ/lupTnjrDosaE=
- 答案：Qw==
QeOAgULkuK3lnYfnlLHnlLXmsaDnu5nmlL7lnKjno4HlnLrkuK3nmoTlr7zkvZPkvpvnlLXvvIzlupTmjqLnqbbpgJrnlLXlr7zkvZPlnKjno4HlnLrkuK3nmoTlj5flipvmlrnlkJHkuI7nlLXmtYHmlrnlkJHnmoTlhbPns7vvvIzmlYVB44CBQumUmeivr++8mzxicj5D5Li65pS+5YWl56OB5Zy65Lit55qE57q/5ZyI5Zyo56OB5Zy65Lit6L2s5Yqo5pe277yM55S15rWB6KGo5Lit5Lya5Lqn55Sf5oSf5bqU55S15rWB77yM5pWFQ+W6lOa8lOekuuS6hueUteejgeaEn+W6lOeOsOixoe+8mzxicj5E44CB6YCa6L+H55S15rGg57uZ57q/5ZyI5L6b55S177yM5Li655S15Yqo5py65qih5Z6L77ybPGJyPuaVhemAiUPvvI4=
