W12: L57: n-type and p-type semiconductors, Semiconductor Diodes, Light Emitting Diodes(LED)

Whole-channel inclusion: NPTEL IIT Bombay (title sample: This is NPTEL's official IIT Bombay channel of full university course lectures across engineering, science, and humanities, overwhelmingly structured week/lecture educational content.; 3 of 3 sampled transcripts read as real teaching); this title passed a strict title check.

A 29-minute video from NPTEL IIT Bombay: “W12: L57: n-type and p-type semiconductors, Semiconductor Diodes, Light Emitting Diodes(LED)”.

Video by NPTEL IIT Bombay, played through YouTube's embedded player.