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科学风暴实验室——电学实验箱
7846次播放 · 1个月前
朵朵少儿
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选集
08:13
1、静电
06:03
2、电流与电路
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05:53
3、电从何而来
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06:47
4、神奇的开关
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04:37
5、串并联电路
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06:26
6、电流的测量
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06:38
7、什么是电压
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05:43
8、电池的串并联
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05:51
9、导体与绝缘体
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05:10
10、发光二极管
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05:42
11、交流电与直流电
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06:37
12、太阳能发电
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05:49
13、磁铁的力量
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07:18
14、干簧管
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06:06
15、磁力开关器
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07:40
16、加磁消磁器
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07:52
17、电生磁
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06:51
18、电磁铁
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