#4 V I characteristics of pn junction diode || EC Academy

In this lecture we will understand the v i characteristics of pn junction diode, Forward Voltage, Reverse Voltage, Forward current, Reverse current, Knee voltage.
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Thank you bro, Watched a lot of videos about this topic but did not understand, what I understood very well after watching your video

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I got no satisfying video about this topic, but I got this after all. Thank you very much

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Thank you...best explained to me 😊

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Your explanation is really easy to understand. Thanks for uploading.

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[@joychakkalakkal7265]

Dear sir,
Reverse breakdown voltage of silicon is -75V and of germanium is -50V. Here (-75)is smaller than (-50) then how can it be greater?

[@ECAcademy]

Negative sign indicates reverse voltage not negative voltage. That's why we say silicon can sustain upto 75 v in reverse bias compared to germanium which can sustain 50 v in reverse bias condition. Hence si is preferred over ge.
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Same doubt I had but 😅 it was cleared

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Super sir.What a detailed explanation...

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Simple sweet and best explanation ☺️👍

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Super video..all understand topic

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Thank you sir.that was a good explanation...

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Tq very much sir for your explanation 😍😍

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The explanation is very clear to understand

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Extremely usefully. Great review. Keep it up!

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Thank you, this really helped

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Nic explanation 🙂

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E

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Thank u bro u helped me a lot

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[@ramramsiddeshnv7137]

Qualitative description of current flow at junction of forward and reverse bias plz explain sir

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[@tamilguna4sekar817]

After reverse breakdown voltage that diode conduct or not

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After reverse breakdown there is more chance that diode will be destroyed... hope this was helpful....
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[@queencyfernandes6369]

how can one identify the material of the diode by observing the v-i characteristics of a diode?

[@lpjunction]

Plot the VI curve, the knee voltage will tell the difference.

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Thnk you sir ❤️ good explanation

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Superb sir
Thank u for ur help

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Thanks sir i can easily understand what u have teached me sir plss i request you to make vedieos on 3 sem ec because I am a student of second year diploma

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Thanku ❤

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[@aashitab8198]

Awesome teaching sir

[@anjalisha2478]

Reverse breakdown voltage of Si is less because -75 is less than -50 than how u told that silicon is preferred over Ge ?

[@anjalisha2478]

Sir rply tho de.digiye

[@ECAcademy]

Negative sign indicates reverse voltage not negative voltage. That's why we say silicon can sustain upto 75 v in reverse bias compared to germanium which can sustain 50 v in reverse bias condition. Hence si is preferred over ge.
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[@neharikatappetla7452]

Sir, why do we consider voltage in x-axis & current in y - axis

[@ECAcademy]

Because In x axis we will consider independent variable and in y axis we will consider the dependent variable.
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[@malapatipoojitha6882]

Voltage drop across Diode can only be knee voltage.If we apply more than knee voltage where does other voltage drop occurs other than diode voltage drop

[@ECAcademy]

Voltage drop will be at all other components connected in a circuit..!!! Hope this cleared your doubts...!!!
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[@jagdishpala6716]

Good explanation in short way

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[@muneekhan4497]

Sir Why abrupt changr occurre in current?(in both cases)

[@ECAcademy]

It is not abrupt change.... in forward bias diode start conducting from 0.7 or 0.3v hence current increases with respect to voltage. In reverse bias the current increases due to junction breakdown.
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[@muneekhan4497]

Sir in a very short very large amount of current is produed why?

[@hemanthchakradhar7656]

This is about diode or pn junction diode?

[@ECAcademy]

Diode, semiconductor diode and PN junction diode all are same
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[@maheshedla1774]

Can u discuss about the losses in raising time. Ex: voltage loss occurs in between knee point to settling time ? Thanks

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[@drawcool9378]

Thank you sir you are 😊great

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I can eselly understand sir tq for luccharing

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[@meghasuhanth6357]

why is the current 0 for the forward voltage less than knee voltage?

[@ECAcademy]

The current will not be zero... small amount of current is present due to non conduction of diode.
Silicon Diode will conduct only form 0.7v and germanium diode conducts from 0.3v in forward bias.
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[@meghasuhanth6357]

@@ECAcademy oh yeah thanks a lot

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@@ECAcademy sure

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very helpfull thank you sir

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Thanks!

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Thank you for your explanation bro👍

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Thank you Sir 🙏🏻

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Thanks sir 👍

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[@chintupavan8775]

In reverse bias condition
Why the current is independent
Up to some particular time

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In RB the current ( small & negligible ) will not increase even though the voltage is increased it remains constant…. That’s why the current is independent of applied voltage in RB condition.
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Thank uuuuuh sir l🎉🎉🎉😢

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Thank you 🙏 sir

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[@hemanthkumar8191]

Simply explaination sir

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Ty so much sir🙏

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Nice explanation 👌

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Great 🙏

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[@chetanpatidar1406]

Where is germanium diode.i want to study vi characterstucs of germanium diode

[@-Bhanu-bg1sv]

excellent explanation sir

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Thank you Sir 😊❤️❤️

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sound low ga vundhi high sound vundhi vuntya bagundhu..bro

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It is initial videos so it’s having low voice…
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Thanks

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Easily understood sir

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Amazing explaintion Sir

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👌

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It’s not linearly it’s exponential!

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Voltage and current will linearly dependent in forward bias. Exponential will be in the form of a curve. Hope you understood.
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Sorry. These are the few initial videos... It is rectified for future videos.
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خرب بوداني هندسة 💔

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