Mumbai University > First Year Engineering > Sem 1 > Applied Physics 1

Marks: 5M

Year: Dec 2015

Principle:

1. LED is a particular diode which generates photons (light) when a stream of electrons passes through it.
2. To build a diode we use a crystal (electric insulator) which is doped by atoms which have one more electron on their valence band (N doping) or missing one electron on their …