差别
这里会显示出您选择的修订版和当前版本之间的差别。
|
course:interesting_problems:2020:topic4:start [2020/02/24 07:35] yaohy 创建 |
course:interesting_problems:2020:topic4:start [2020/02/24 07:40] (当前版本) yaohy |
||
|---|---|---|---|
| 行 1: | 行 1: | ||
| - | 4. Singing Ferrite | + | ====== 4. Singing Ferrite ====== |
| + | |||
| + | 指导老师：姚红英 | ||
| + | |||
| + | ===== 课题内容 ===== | ||
| Insert a ferrite rod into a coil fed from a signal generator. At some frequencies the rod begins to produce a sound. Investigate the phenomenon. | Insert a ferrite rod into a coil fed from a signal generator. At some frequencies the rod begins to produce a sound. Investigate the phenomenon. | ||
| + | |||
| + | ===== 参与学生 ===== | ||
| + | |||
| + | ===== 主要问题 ===== | ||
| + | - 找到一个ferrite rod，a coil fed from a signal generator | ||
| + | - 读文献 | ||
| + | - 实验 | ||