опыт эрстеда,магнитное поле,электрический ток.
6 years ago 01:51:18 136
8 years ago 00:02:13 135
1 year ago 00:02:06 1
3 years ago 00:02:26 1
10 years ago 00:02:29 63
9 years ago 00:05:25 26
10 years ago 00:00:50 17
5 years ago 00:01:10 16
2 years ago 00:29:46 5
3 years ago 00:09:20 11
5 years ago 00:01:57 19
2 years ago 00:02:57 2
2 years ago 00:06:35 3
10 years ago 00:02:13 8
4 years ago 00:18:31 19
3 years ago 00:03:49 44
8 years ago 00:08:01 8
5 years ago 00:31:54 10
10 months ago 00:14:22 14
11 months ago 01:32:08 1
1 year ago 00:04:41 27
