| 标题 | 解决时间 | 回答数 | 回答者 |
|---|---|---|---|
| 2019-12-12 | 1 | ||
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| 老师这个纯电阻电路的意思是整个电路都必 [电磁学] | 2019-12-12 | 1 | |
| 2019-12-12 | 1 | ||
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| 2019-12-12 | 7 | ||
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| 导体有绝缘外壳会不会影响自感现象? [电磁学] | 2019-12-12 | 3 | |
| B和I成正比吗? [电磁学] | 2019-12-12 | 7 | |
| 安培力的方向和磁场力的方向具体应该怎么 [电磁学] | 2019-12-12 | 1 | |
| 2019-12-12 | 3 |

