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LED working & advantages | Semiconductors | Physics | Khan Academy 

Khan Academy India - English
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Let's explore how LEDs - light-emitting diodes - work and their advantages over traditional light bulbs.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
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Created by Mahesh Shenoy

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28 авг 2024

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Комментарии : 68   
@pasulachennareddy3459
@pasulachennareddy3459 3 года назад
Tqq sir it's far better than my college lecture .tqq so much
@vivekthumu8992
@vivekthumu8992 2 года назад
Today I get answer my childhood big Question?... How TV Remote works.. 😁😁Thank u so much
@santanusau4050
@santanusau4050 2 года назад
Best video of LED understanding ❤️🙏...
@abhaymukhia7465
@abhaymukhia7465 3 года назад
Good explanation👍🏻.thanks for clearing my doubts 🧐🙃
@ad_1234
@ad_1234 3 года назад
Crystal clear explanation
@swethamurali3491
@swethamurali3491 2 года назад
Noticed that this and some other videos from this chapter are not in the Semiconductors playlist. Please do add them.
@magicalwings1065
@magicalwings1065 Год назад
You are really an amazing teacher🥰
@jimsperlakis5634
@jimsperlakis5634 Год назад
Very, Very well done.(Wish you could pre-write the words to lessen my anxiety level.) I think that there will Always be heat generation, even in recombination, albeit sooo tiny. And a pn junction is not a diode (and vice-versa) it only contains it as do transistors, scr, jfets, ect... Enough of my criticism. Do leds use a specific substrate instead of silicon?
@gnanasagarsagar9225
@gnanasagarsagar9225 4 месяца назад
ordinary bulb doesn't take time. But LED takes some time to glow.
@smartgamer4203
@smartgamer4203 2 года назад
Way of explanation is extraordinary bruh!!!
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
ohh smatyy gamer bruuuuhhhhhhaa aaaahhhh aaaahhhh
@biswaranjansendha7609
@biswaranjansendha7609 3 года назад
You are the best teacher I have ever seen ❤️❤️❤️❤️❤️❤️👍🙏🙏🙏🙏
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
theek hai biswa ranjan sendha namak
@rumi8
@rumi8 3 года назад
Great video series.Many thanks for all your effort.Can you do some videos on the workings of a thyristor,triac and diac and their applications?
@roshinipalanisankar6656
@roshinipalanisankar6656 3 года назад
@Omar Conrad thanks man...
@08athakwaninandish16
@08athakwaninandish16 2 года назад
Thanks for the explicit explanation. बहुत अच्छा विवरण था!
@shuklag9540
@shuklag9540 3 года назад
Best channel for learning ❤️
@MrNYT
@MrNYT 2 года назад
finally, i understand this in just 3 min .literally you are great sir, simple explanation.
@janhvisinghthakur3652
@janhvisinghthakur3652 2 года назад
Best explanation sir..now it is diamond clear☺️☺️🤘🤘
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
me too
@ahadabbas9567
@ahadabbas9567 3 года назад
Thank you
@sarathvijayananda769
@sarathvijayananda769 Год назад
Amazing. Thanks for your very simple clear presentation.
@srisatya1311
@srisatya1311 3 года назад
How recombined atoms fall from conduction band to valence band
@ShawnDypxz
@ShawnDypxz 3 года назад
You know electrons try to occupy lowest energy possible.
@siddharths4846
@siddharths4846 2 года назад
LED is heavily doped semiconductor. So there is excess of minority charge carreirs, so they recombine more often than normal diodes
@lukemathew4845
@lukemathew4845 2 года назад
What software you are using for the teaching purpose?
@laibakhan8380
@laibakhan8380 Год назад
Thankss.
@legoindianajones1000
@legoindianajones1000 8 месяцев назад
Amazing explanation
@Vedicaa
@Vedicaa 2 года назад
Thank you.
@cadog2975
@cadog2975 9 месяцев назад
Oh boi this is awesome ❤
@brighttips8203
@brighttips8203 Год назад
What a class sir ,. Understood concept clearly
@user-ez9ex8hx6v
@user-ez9ex8hx6v 9 месяцев назад
Yes video watched
@royakash8263
@royakash8263 2 года назад
Thanks sir for all the support
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
chal ab support mill gya ho toh aake hila de mera
@kartikchauhan8939
@kartikchauhan8939 3 года назад
U made it very clear sir
@KuldeepSingh-ox1yj
@KuldeepSingh-ox1yj 2 года назад
Nice explanation
@sanjaykumarsharma8051
@sanjaykumarsharma8051 3 года назад
Amazing explanation👍👍
@beingmg
@beingmg 2 года назад
Very good
@cattyfair3207
@cattyfair3207 3 года назад
Can you tell me what app are you using for explanations?
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
teri maa ki chaati pe likh rha hai
@dishajha815
@dishajha815 2 года назад
Thanx a lot 😭😭
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
dont cry baby
@Astrophile06
@Astrophile06 Год назад
Thanks sir. really helped me a ton!
@user-xy1wx2vd7i
@user-xy1wx2vd7i 3 года назад
*LED*
@mahfuzulghuri9534
@mahfuzulghuri9534 3 года назад
What happen if all electron recombine with holes.
@260eeeprasuna2
@260eeeprasuna2 Год назад
This is my fav channel
@susmithatalupula9791
@susmithatalupula9791 3 года назад
If recombination takes place in forward bias why do its depletion region decrease instead of increses
@hkkapoor5703
@hkkapoor5703 3 года назад
Hii As I read , when ele. and holes recombine at that time a EHP generate in p side and ele move towards +ve terminal (p side) and hole move (fulfill near by electron ) towards -ve terminal and such more and more charge carriers generates in forward bias .
@nvsreddy
@nvsreddy Год назад
2:20 So, will the silicon present in transistors also give out light?
@lakshitadixit5
@lakshitadixit5 Год назад
Yes they will but not visible light
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
haan teri maa ke bulb
@aruneshsingh6027
@aruneshsingh6027 3 года назад
u are amazing
@ghungurbhaumik6042
@ghungurbhaumik6042 6 месяцев назад
Only English, no preparation
@Saujas
@Saujas 4 месяца назад
Wdym
@anask7668
@anask7668 2 года назад
I can't thank enough you guys thanks alot ❤️ 💯 you guys are GPA saver lol 🇵🇰
@SumitKumar-xh8tt
@SumitKumar-xh8tt 2 года назад
Pak mein khann se ho?
@anask7668
@anask7668 2 года назад
Karachi why u askin
@SumitKumar-xh8tt
@SumitKumar-xh8tt 2 года назад
@@anask7668 just want to make some pak frends lol?
@anask7668
@anask7668 2 года назад
@@SumitKumar-xh8tt oke gimme yo insta?
@Shashwat_raman_shukla
@Shashwat_raman_shukla Год назад
@@SumitKumar-xh8tt karachi
@nevlekbrain8102
@nevlekbrain8102 2 года назад
Jai iot sit
@riyaandkarankharayat5953
@riyaandkarankharayat5953 2 года назад
💮🌼
@mrsharma2.090
@mrsharma2.090 3 года назад
Best animation video
@anask7668
@anask7668 2 года назад
You're prolly watching this in a led light
@ahadabbas9567
@ahadabbas9567 3 года назад
First view.
@MultiSciGeek
@MultiSciGeek 2 года назад
Don't understand anything. Need even more in-depth explanation for this to make sense.
@edunitian7701
@edunitian7701 2 года назад
Bulbs takes years 🤣
@zakirshah5060
@zakirshah5060 3 года назад
Nice explanation
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