Lesson on Electronics| Intrinsic and extrinsic semiconductor| Electron hole mobility| Conductivity

Lesson on Electronics which is not focused on any specific syllabus.
0:00 Electronics
2:00 Difference between electric and electronic circuits
2:28 Active and passive components
11:52 Different types of chemical bonds and lattice
14:31 Metalic bond
15:16 Ionic bond
15:51 Covalent bond
18:28 Energy levels and energy bands in solids
22:59 Valance band and conduction band
25:39 Energy bands in conductors
26:23 Energy bands in semiconductors
35:41 Current due to holes
39:22 Current flow in intrinsic semiconductors
44:33 Lattice structure of an intrinsic semiconductor
47:44 Doping an intrinsic semiconductor
53:38 Lattice structure of n-type and p-type semiconductor
55:41 Current flow in n-type semiconductor
59:19 Current flow in p-type semiconductor
1:06:17 Question on doping
1:19:05 Equations for Electrical properties of solids
1:21:28 Equations for Current-density Mobility Conductivity
1:40:53 Questions on current-density mobility and conductivity.