How the Transistors & diode Work

Many of us still don't know how the transistor and diode work which are 'basic blocks' of electronics.
So here i am posting a tutorial regarding working of transistor and diode.Do watch the videos and tell us your opinion.
Working of transistor

And here is :
Working of Diode

Share on Google Plus

About Unknown

This is a short description in the author block about the author. You edit it by entering text in the "Biographical Info" field in the user admin panel.