опыт эрстеда,магнитное поле,электрический ток.
9 months ago 00:06:35 1
9 months ago 00:09:20 1
9 months ago 00:02:13 1
9 months ago 00:05:25 1
9 months ago 00:03:40 1
10 months ago 00:14:22 14
10 months ago 00:01:57 1
10 months ago 01:32:08 1
12 months ago 00:31:54 1
12 months ago 00:04:41 15
1 year ago 00:02:26 1
1 year ago 00:02:06 1
2 years ago 00:29:46 5
3 years ago 00:01:10 2
4 years ago 00:18:31 19
5 years ago 00:08:01 4
6 years ago 01:51:18 136
10 years ago 00:02:13 8
10 years ago 00:00:50 17
10 years ago 00:02:29 63
