🔴 TRANSISTOR - Part 1 | Construction and Working | Bipolar Junction Transistor (BJT) | in HINDI
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- Опубликовано: 7 окт 2024
- In this Physics (electronics) video in Hindi for class 12 we explained the construction and the working of transistors. These work as digital switch and amplifier. We talked about its types at first. Basically transistors are of two types viz., Bipolar Junction Transistor and Field Effect Transistor. This video will be oriented around BJT. This type of transistor is of two kinds, namely, n-p-n and p-n-p transistors. When p type semiconductor is sandwitched between two layers of n type, it is called n-p-n transistor. Tese kind of transistors have three main segment - emitter, collector and base. Base is very thin, whereas emitter is wide and collector is wider. Doping levels are also different. The base is very lightly doped, the emitter is very highly doped and the collector is moderately doped. The basic functioning of the transistor as switch is due to the fact that when we provide base current, then only emitter current is seen. Hence we can say that the base current works as switch. And one more fact is that the emitter current is many times the base current and due to this fact we can amplify signals with the help of transistors. To understand the physics behind these facts you need to watch the video.
Modern day electronics revolve around digital circuits and those are possible due to the existance of transistors. As you know your computer, mobile phones are possible due to integrated circuits and integrated circuits are made of logic gates and these logic gates are comprised of transistors, you can understand how important is the role of transistors in modern day electronics.
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Know your transistor by prof. HC Verma
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Arijit Daripa
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Tried to study this through unacademy channel, couldn't understand much because teacher didn't even know what he was talking about. After watching this, all my doubts have been quenched. I was wondering why the base needed to be lightly doped, why it was thin, and why didn't collector e- went to battery terminal. 👍👍 Good job sir!
Same goes with my coaching teacher. They are so called best coaching but the teacher didn't even knew which Ch he was teaching. Ig😂😂😂
@@simrankaurgagan5465 THEY ONLY FOCUS ON NUMERICALS. THEY DONT CARE ABOUT THE PHYSICAL SIGNIFICANCE OF PHYSICS.
JEE HAS TOTALLY DEPRIVED CHILDREN FROM FEELING THE BEAUTY OF PHYSICS.
JEE HAS MADE CHILDREN INTO NUMERICAL SOLVING ROBOTS IN THE NAME OF CONCEPTS
@@ChamanSinger4728 yeah truee
Same case
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Kya tareeqa hai aapke samjhane Ka. Mai to khayel ho gaya. Kya aasani se samjhaya hai aapne. Itni zimmadari se lecture dete hai aap ke uska haq Ada hojata hai.
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Transistor main na jaane kitne time se, kitne teachers se padh liya. Lekin samajh kahi nahi aaya. Aur aapne ek hi jhatake me sab clear kar diya. Thank You Sir. You and Lighthouse (Ashiesh Sir) will change the world.
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thanks sir, tired so hard ,read so many answers at website but at last finally got the wisdom
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es se acha samjhanay ka style ho he nae sakta ye video dekh kar transistor kj kafi knowladge ho gai hai .
thanks
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Hello Kumar Anil !
You are welcome and thanks a lot for the support you have shown.
And as always .... thanks for watching.
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Itne achche se aap samjhate ho
Thank-you
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Arijit Sir really nicely explained the Bipolar Junction Transistor (BJT) got it very nicely I will watched the video one more time for detailed explanations and again for revision also. Thank you sir❤️❤️
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Sir please make video transistor as amplifier
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Abhishek Chaudhary
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But one question , when transistor acts as an amplifier, are the laws of conservation of charge and energy not violated?
No.
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Thank you for your explanation.
according to me @24:40 one more reason that in reverse biased condition only minority charge carrier will flow. so for the p region electron is minority so it can penetrate the R.B junction.
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Sir, aap khud k identity ko elaborate jarur kariye sir, hr platform se, aapke jaise teachers ki hame bahut bahut jyada jarurat hai. India me achhe quality k teachers ki bhari kami hai, aap jaise teachers isme ek revolutionary change la skte hai, hmlog ka full support hai aapko pure dil se.
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sir bese maine bahut video dekha par aap ka video pura samajh me aaya
thank you Sir
Thank you......
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Hello Sajid Rafi !
Aap sab ka support hai, to hi ye channel hai.
Thank you very much for the support you have shown.
Well explained, animation is also perfect, black background, use of different colors,matching with your voice over, also thanks for information of HC verma
Sir please make a video on transistor as an oscillator....
Sr kaise aap itna achha smjha dete hai pata nahi lekin ye bate mai dil se khta hu ki aap apne aap me purn hai , aap ki ek bhi chhije katne vale nahi hai mai bhi aap jaise hi smjhane ka practice kr raha hu sayad apne bachho ko jha saku.Thank you sr jeee tahe dil se.