Zener diode voltage regulator | Class 12 (India) | Physics | Khan Academy

In this video, let's explore how a Zener diode can be used to regulate voltage. We are going used it's reverse breakdown characteristics.
Class 12 Semiconductors: We cannot imagine our life without computers today. But what makes a computer tick? What's making this technology grow at such an exponential rate? It's all due to semiconductors. As unbelievable as that might sound, altering the properties of semiconductors allows us to build these computers. In this topic, we will explore the world of semiconductors. It's a journey from what semiconductors are all the way to creating building blocks of these computers.

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Created by Mahesh Shenoy

[alphamax]

best video by far after scrounging over more than 20 videos on the topic.

[pradipbhandri]

This is the only video In entire YouTube to understand the pure concept of Use of Zener diode as voltage regulator very easily

[Parapresdokian]

7:12 I'm watching this at 2 AM, yet still I involuntarily laughs along with him and woke everyone wide.

Your laughter is contagious dear human.

[Mohanvenkat]

I have been using the help of Khan Academy for over 5 years and it's only getting better. Great video on the topic!

[Shubham-rlzw]

Thank you thank you so so much .. I was so much confused about that short circuit part ...best video on whole internet ♥️❤️😍

[arunnithyaanandam]

So if the resistance of Rs can change according to the input voltage and y do we need a zener diode in the first place? Can't we just use the resistance to make sure only 2v enters the led bulb?

[GENESIS-zpcy]

After watching 20+ videos... I found this.... Thank you very much sir..

[RAHUL-jgss]

Best video on this topic in this ।।।great job guys !

[manohardivi]

Here I can feel the concept .... If I get teacher like him I get full marks...

[zitscx]

you are really underrated. Best teacher i hv met so far...

[alekhyaalekhya]

Really satisfied with this more exceptions this is the good lecture

[sampritipatel]

At 2V, the zener diode acts as short circuit so no current should flow through LED. But it still glows. So is potential difference the only requirement?

[varshaaggarwal]

When the input voltage is greater than 2v then the diode acts as a short circuit. Then how can it maintain a 2v constant output? It should be zero.

[prafulkatare]

very nice video, please keep on continuing the great work of helping students.

[tobiefy]

Thank you so much ❤️ finally understood the concept

[sgtbilko]

1st video I've found to properly describe zener diode as a voltage regulator

[niranjan]

Sir at 05:18, you mentioned that only in reverse biased Zener diode, the voltage won't exceed 2 volts. But we can also have it in a forward bias, right? Because even a forward bias has a cut in voltage, at which the voltage doesn't increase much
KIndly clarify sir

[josephryanperera]

when the narrator connected the Zener diode in reverse bias and said
TA DAAA!
I Felt It
Jokes aside this is the so far best video on the internet
thank you!

[renukapandit]

How does the resistance change as per convinience? Shouldn't the current through the circuit increase to adjust the increase in voltage?

[shreyakulkarni]

OMG I LOVE UR VIDEOS!
i always go back with concept clarity and a smile as a bonus :)