How does a Diode Work? A Simple Explanation | How Diodes Work | Electrical4U

A diode is defined as a two-terminal electronic component that only conducts current in one direction (so long as it is operated within a specified voltage level). An ideal diode will have zero resistance in one direction, and infinite resistance in the reverse direction.
Although in the real world, diodes can not achieve zero or infinite resistance. Instead, a diode will have negligible resistance in one direction (to allow current flow), and very high resistance in the reverse direction (to prevent current flow). A diode is effectively like a valve for an electrical circuit.

Semiconductor diodes are the most common type of diode. These diodes begin conducting electricity only if a certain threshold voltage is present in the forward direction (i.e. the “low resistance” direction). The diode is said to be “forward biased” when conducting current in this direction. When connected within a circuit in the reverse direction (i.e. the “high resistance” direction), the diode is said to be “reverse biased”.

The diode is said to be “forward biased” when conducting current in this direction. When connected within a circuit in the reverse direction (i.e. the “high resistance” direction), the diode is said to be “reverse biased”.

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[ChanduSubbusweethome]

Good video, but background music is dominating his voice, unable concentrate, plz change it

[scramjet]

No nonsense straight to point videos like this are the best

[tommushrom]

One of the best explanation here on YT. Many others does not understand the difference between power source polarity and electric receiving component polarity and semiconductors. The latter do not carry the electrical potential. Maybe they should study how capacitors work and think twice.

[aimiliosdraginis]

The best on junction explanation period

[shambhavipathak]

Very good explanation! finally understood the biasing in a diode... thanks a lot!

[joshuaflores]

4:26 you said applied voltage > forward bias voltage will make currents flow, but why is that when you said that when there is more applied voltage the diode will behave as an open switch.

[GerbenWijnja]

Thanks! After watching a number of other video's that tried to explain diodes, I found this one to be the first that clearly explains how the depletion region and electric field forms and works. It helped that you explained that the N- and P-doped material is neutral (has no charge). That explains why a field is formed, and I missed that information in other videos.

[thenewdimension]

Best vedio ♥️ ♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️ no words to say thanks

[VisheshAgrawal]

Sir, Great one. Which software do you use for formation of video's.

[AjithKumar-pbzs]

In the depletion layer
Some electrons migrate from p - type but Y it does not moves further in n-type and y the hole created in n-type cant attract further electrons

[thusiricharithma]

The background music is highly disturbing😢

[TheEtbetween]

Thanks, really appreciated it, I think I got it.

[mohammadrafi]

at 3:03 their is a mistake because barrier potential is from n type to p type

[abhirams.a]

we can't combine a ptype and n type semiconductor to form a pn junction diode bcz of surface irregularities.

[nadia-sycn]

Thank you for this helpful video, wizh more success 🙌

[anwarpasha]

Please tell me how you make this video

[chinthapallisaritha]

Good sir please update concepts in ece branch b.tech