8:38

Parts of a transistor | Class 12 (India) | Physics | Khan Academy

6:53

Transistors, How do they work?

9:31

Transistor current and parameters | Class 12 (India) | Physics | Khan Academy

10:06

The PN junction | Class 12 (India) | Physics | Khan Academy

1:16:07

Lecture 1: Introduction to Superposition

30:17

Transistors - NPN & PNP - Basic Introduction

14:13

Electromagnetic waves | Physics | Khan Academy

12:16

Active, saturation, & cutoff state of NPN transistor | Class 12 (India) | Physics | Khan Academy