43:12

Binomial Distribution Lec 3

1:11:37

Binomial Distribution Lec 1

49:05

Ac circuit Lec 4

1:14:17

Ac circuit Lec 5

1:07:40

Probability distributions Lec 5

1:32:40

Ionic Equilibria Lec 1

51:56

Ac circuit Lec 6

1:44:40

Ionic Equilibria Lec 2