definition of current density

10:07

4:27

7:40

5:43

2:59

7:45

4:45

2:30

6:37

30:29

16:52

2:32

1:21

1:47

8:36

5:04

9:32

17:26

3:12

14:54

کوتاه

کوتاه

11:41

3:03

5:07

1:19

4:18

کوتاه

8:34

کوتاه

1:00:39

5:39

7:50

14:57

2:51

2:45

6:07

54:41

1:51

22:51