Share: Title:LED working & advantages | Semiconductors | Physics | Khan Academy Duration: 7:47 Plays: 140K views Published: 3 years ago Download MP3 Download MP4 Simillar Videos ▶️ 10:22 Parts Of The Eye | Human Eye & The Colourful World | Khan Academy 140K views • 6 years ago ▶️ 10:15 Nervous System (central & Peripheral) | Control & Coordination | Biology | Khan Academy 140K views • 5 years ago ▶️ 13:29 Lymph, Lymph Nodes, & Lymphatic System | Life Processes | Biology | Khan Academy 140K views • 5 years ago ▶️ 11:06 Endocrine System (major Hormones & Functions) | Control & Coordination | Biology | Khan Academy 140K views • 4 years ago ▶️ 14:36 Brain: Parts & Functions (fore, Mid & Hind) | Control & Coordination | Biology | Khan Academy 140K views • 5 years ago