🔴 p-n Junction | Forward and Reverse Bias | video in HINDI
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- เผยแพร่เมื่อ 30 ก.ค. 2017
- In this Physics (Digital Electronics) video lecture in Hindi for class 12 we explained forward and reverse bias in p-n junction diode in terms of depletion layer and potential barrier. When positive terminal of a cell is connected to p side of the pn junction, it is called farward baising and when positive terminal of a cell is connected to n side of the pn junction, it is called reverse baising. Current flows in forward bias and not otherwise. During forward bias depletion layer becomes very thin and potential barrier reduces, hence current is allowed to flow. But during reverse bias depletion layer becomes very thick and potential barrier increases, hence current stops.
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🔴 Please watch new videos (Link below 👇👇👇👇👇)for more details and deeper knowledge. Please keep supporting new videos 👍👍👍👍, so that, we can create more detailed videos. Please write you views in comment box.
🔴 p-n Junction Diode (Part 1) || Depletion Region | Barrier Potential
th-cam.com/video/JqXjrOheOZY/w-d-xo.html
🔴 p-n Junction Diode (Part 2) || Forward Bias | Reverse Bias
th-cam.com/video/-D9ousg-vNs/w-d-xo.html
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sir,please tell that why depletion region can build only in center of p-n junction,also please explain more about n-junction electron flow.sir i am from PAKISTAN from your neighboring country. i am very impressed from your way of teaching.
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Arpit Gupta deplation layer is a when electron and hole combine each other than a layer is a form which is called deplation layer thanks a loot I hope clear this concept
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There is something wrong before the topic of forward bias and reverse bias i.e on the topic of depletion layer. Sir you said that the free electrons diffuse towards the p type semiconductor to fill up the holes which makes the n side positive but it is the valence electrons which move towards the p side which makes the n side positively. That is the concept in hc Verma on page 403 and 5th line after the figure 45.10
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Sir here valence electrons are the free electrons which move from n to p region.
Valence electrons in outermost shell are called free electrons.... Given in ncert of chemistry..
Keshav Mishra the video clearly says that pentaVALENT elements give electrons that act as free electrons at 2:16
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