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Al S
Приєднався 7 бер 2015
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Відео
Conceptual Understanding of Semiconductor Basics: Holes, Doping, and P-N Junctions
Переглядів 71 тис.9 років тому
Originally made for the Breakthrough Junior Challenge. All knowledge was obtained for free, online, from multiple sources including other UA-cam videos. Here, I attempt to explain concepts that took me over a month to understand, in under 10 minutes. All the sources I found had only partial explanations that were either fragmented or went into too much detail and complicated calculations. I tri...
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You simplify a complex subject excellently Thanks
I thought I had an undasting I'm a novice but not anymore thanks
I laughed when you said “so what why is this important” !! I finally understand a lil bit but was thinking the same thing at that exact moment 😂😂😂
Thanks❤
To whom it may concern We are developing an online programme for the South African Department of Higher Education and would like to include your video in the unit on Electronics. Please also indicate if all your videos will have the same permissions. In order to assist learners who do not have regular access, all the media will be loaded onto a learning management system for download to a device. I would, therefore, like to request permission to download your video from UA-cam to include on the LMS. We will provide full attribution to the video with whatever details you require. I look forward to hearing from you. Many thanks,
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great effort. well done.
I am really enjoying this but I don't get why when you put the Negative terminal to the N type side, the electrons are not repelled. And how can there be a massive amount of holes in the depletion region? the depletion means there are no charge carriers of either type in there...is it be cause the hole diode is being flooded from left by more holes?
Wonderful presentation. Do you have a same style video on anodes? Thank you.
Wonderful, you're a golden god my friend. And like you said in the description, when trying to learn this concept at first a lot of information online goes into too much detail for the beginner level. You're video was very helpful :thumbs_up:
Great video. Thanks
Thank you!! The readings provided in my class for solar cells didn't have this explanation, and I was frustrated.
Very nice explaination physics devices that never seen before!
SIr, you are, simply, a genius!
Great video, thanks! One question, why to use a semiconductor and not a conductor in first place? Is it about price, or there is a physical reason there?
Three years later and here is your answer! Semi-conductors are not used as wires. They are not as conductive as convential conductors, such as metals, and also far more expensive to scale to the length of wire you would need. But, they have different extremely useful properties that are used to perform many other electronic tasks. In this video, he explains how a PN junction can function as an electrical component called a diode, which is an electronic device that only lets current flow in one direction. This alone is an extensively in electronic circuits. As mentioned in the video, you can now turn AC power into DC power. Whereas a conductor, such as wire, will always just let current flow in both directions. A diode can also be used in electrical protection circuits. For example, if you connected a battery the wrong way round to a device, a diode could be used to make sure only that only when the battery is wired the correct way round that current can flow. Therefore protecting your circuit. PN junctions can also be used to create light emitting diodes (LEDs) which is a light emitting device, which produces light far more efficiently than simply heating up a conductor until it glows does. Most importantly, using PNP or NPN junctions, you can also form transistors, which are electronically controlled switches and can also act as amplifiers. Transistors are the basis of every electronic device in modern day. Your phone, computer, calculator uses millions if not billions of transistors to perform logical operations. And each transistor, is built up of a structure of differently doped semi-conductors. Hope this explains the difference and importance of semi-conductors compared to regular conductors! In essence, one is for moving electricity around, and the other, is used to carry out useful operations. A semi-conductor can function as very bad and very expensive conductor, but a conductor can not do what a semi-conductor does.
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What an amazing explanation! Thank you for your effort!
good explanation, thanks!
Niceeee explination, thx🙂️
Intro sound🤘🤘🤘🤘🤘😂
Thanks for the video. In a normal circuit with a direct current, the current is going only on one way. So, in that kind of circuit, what is the advantage of a diode, if the electrons go just one way anyway ?
Thank you
This is good.
The best video explaining the diode. Thanks dude.
I couldn't understand the concept of depletion but now I got it you are a very nice teacher thank you
4:34 immediately thumbed up
There is a mistake at 7:56. - "Electrons are attracted to masvie number of holes in depletion region". Holes are charge carriers but depletion region is region without any charge carriers and we hav =e in depletion region only positive ions and negative ions.
Thanks for such detailed explanation
well done, thanks for apparent explanation
Why did you stop making videos? You are so good! I watched a lot of videos on this topic before I found yours and only you explained it well enough to help me understand. I need a lot of details to get these things and you provided them in one perfect video! I subscribed to your channel because I still hope you will change your mind and publish new videos. Thank you very much for this one :)
it was really helpfull thanks man .....
Very good explanation
This is by far the best video I've seen on this topic before. Thanks!!!
God bless you.
EXCELLENT VIDEO. Thank you for sharing! You have a knack for teaching(:
Very very good, thats the real explanation i was looking for, thank u very much. keep it up.
Learnt more in this than 2 hours of lecture. thanks!
Thanks, great explanation! really helped me understand the electron hole flow thing
Hey, thanks a lot! Ive learned from you a very useful thing!
Nice
Dope !!
One of the best video on semiconductor diode concept.
This video was great and has just helped me alot with my semiconducting thermocouple extended essay. Thanks man
Thanks!!!
Nicely done!
You are an awesome teacher.You have just made me understand the concept very nicely and easily and the best video on p n junction i have ever watch is yours one.Keep doing great jobs like this.
dana na na dada ! best beginning ! :)
awesome description
great job ..sir.. superb..