Thevenin's Theorem - by Prof. Dr. C. B. Bangal
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- เผยแพร่เมื่อ 1 ต.ค. 2011
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This lecture explains "Thevenin's Theorem" and its application to DC resistive circuits. For any queries/suggestions, please mail me on charudatta_bangal@yahoo.com. Your valuable comments are welcome here. Thanks!
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Thanks for the comments!
Charudatta Bangal
thank you for the video sir
but i have a doubt,,,,
why do we need to short circuit the voltage and open circuit the sources
why not do in reverse
what is the exact theory behind this
banu reddy hii
may be because while calculating the value of current in Thevenin's Theorem we are actually not aware of the fact that how much current will flow through the battery so we just short circuit a battery
Secondly in case of a current source we are already given the value of the current so if we apply Kirchhoff's law there then it wont make any sense as we are already aware of what is the value of the current.
Still may may expect for a better answer
and thanks for such a good question!!!
thank you sir for your valuable videos
Thank you professor!
+Charudatta Bangal Thanks a lot Professor !!! waiting for more of your videos :)
After 12 years I can say that this still might be the best English Thevenin's exercise explanation in the TH-cam.Thanks Dr.Bangal!
Hats off legend. My first time to watch a TH-cam video for an hour and enjoy not even 12 years a slave could gather my concentration, thank you sir
A 10 year old video helps me to score well in an exam next week.
WELCOME TO INTERNET EVERYBODY
Taking exams Tommorow Lmao
His chalk-writing skills are amazing.
hahah for real..
if anyone wants to watch a better video on thevenin theorem here you go
th-cam.com/video/76krkiuDyng/w-d-xo.html
it reminds me of WALTER LEWIN
i know right
After 4 years, I'm back to view this explanation again. Never gets old.
Camera movements made the lecture so catching and not boring like other online videos!
I just means how much teachers in India care for their students
Excellent observation.
Just like a live class lecture with an excellent teacher teaching before me
yah dear i also like it
I just love how straight his lines are, I can't even do that with a ruler.
yes, its looks so fascinating. the circuit as well as teaching is too good :)
same problem. bro
Same
I am thorough now.
I agree with you
My my my! Dr. C. B. Bangal I do not know what to say. I think you need an award. I've had a few teachers as well as several peers who have tried to explain these electrical networks problems to me. I've never grasped it. You have made it crystal clear and I even aced my exam thanks to you. I think my university should hire you. Thanks man.
I m from Pakistan and I have become a fan of this great teacher..... keep it up
Same
@@areejshah9152 pure pakistan m kisiko aata nhi hoga ye
Indeed he makes sence
@@spaceboy6788😂😂haha
I've watched far too many 'youtube lecturers' in my time but none have come close to this standard of exceptional teaching , clear concise and thorough.
Thank you
Thank you so much Prof! This helped a lot. Flawless explanation. Greetings from the Philippines. :-D
Kamusta pre graduate ka na?
I can't believe this video was recorded in 2011. 🤓he really made it look easier than I thought
Your Straight Lines on the board is sufficient to show Your hardwork and passion for teaching Respected Sir
Explanation is brilliant......simple, clear and effective. It would be even better if you could just shorten the duration of your videos......too much time spent on explaining just one concept.
Watch the videos in 2x speed!! It's awesome!!
It's true.
Too slow..... 😴😴😴😴
I think he is Mr .thevenin.the great one .the beautiful tactics.May Allah give you a healthy and long life
Sir you should also make a beautiful lectures on chapter electrostatic. We will very thankful
Watching this today 13 sept 2019 !!
Cant believe this video was uploaded in 2011 ...I was only 11 back then ...lol
Great explanation sir simply love it♥️
bruh 13 sept is my birthday
Kesavan Shivani
Thats cool bro☺️
Finally! I realized theorem thevenin. very good and simple presentation, thank you very much!
I pay 15 fu***g grand to watch youtube videos, thank you sir, you saved my grade.
+femiairboy94 dude, on another video you comented 10k lol
MrJgaspa Tuition got increased, I’m an international student.....
Thank you also so much, sir. I can bet anyone don’t give such a simplest explanation like him before. To understand Thevenin crystal & clear, there’s no need of any other video than this.🙏🏽❤️
Wow! I was just 10 year's old . Lol. Thanks professor for clearing my concepts 😃. Looks like many students across the world have been satisfied by u!
I have been searching all day for a good video that explains Thevenin's Theorem and I am so glad I found your channel!
@@usamashaikh1502 ny degi bhai
@@Ash-ey7bj kya bhai
Hiii
I don't usually subscribe to Indian-English engineering lectures but this is really good. The pronunciations are quite good compared to other Indians and explanations are very easy
I love the way he also mentions small details, unlike others who assume we already know all of electronics. This is a great lecture sir! Keep your great work up and spread the
tremendous treasure, aka knowledge, across globe.
Great teaching. Just the right amount of repitition (for me) aswell. Thanks a lot.
You just made us feel awkward by saying us thank you........actually we are so grateful to find such a great lecture on network theorems and amazed at the same time that how can anyone explain such a mind bending theorem so easily that you did......Once again thanks to youu....🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻
Sir, I feel it is one of the besg lecture in online I have ever felt. Clearly explained each and every point. U stole my heart sir. I understood everything and now I am able to solve ant problem after listening to your lecture.. thank you sir...thank u so much..
This is great, thank you so much sir. I missed a lecture on this topic in school and I have been watching TH-cam videos. Thank God I came across yours.. Great lecture from a great teacher. Greetings from Nigeria
Hello
Thank you so much, Dr Bangal!!.....I've been watching this video in the last days!!.....Best explanation i've watched (heared) about Thevenin's Theorem for years!!!....Greetings from Spain!!....and now, the next step.... Norton's Theorem in Charudatta Bangal TH-cam Channel!!.....Happy New year!!
Thanks sir!! Its because of great teachers like you, who pass students in Semesters!😁 🎉 thanks again!
Beautiful! I aspire to be half as knowledgeable and skilled as this Man someday. 11 years later and from across the World I thank you Sir!
Sir i have never learned electronics in this way...after viewing your lectures it seems so simple!!! You are such a great teacher...huge respect!
Thank you so much for this :) Your explanation is so clear and lovely. Please keep going with this. I have a small request, please consider giving lectures on analysis of non-linear circuits too. Topics like MOSFET switch, MOSFET amplifier, First order transients, second order transients, sinusodial steady state - Impedeance, frequency response and resonance, operational amplifier and diodes.
Nice one!!!. Am in love with your teaching methology.Thanks Prof
Thank you Prof.Dr.C.B. Bangal after this session i think i am a professor in this i heard you very loud and clear ,i like the way you emphasise and giving examples everywhere you pass clearly you were made for this!!
this is the best video i have ever seen for thevenin's theorm. i recommend to everyone to watch this video for this theorm.
Thank you very much! You saved me an extra semester! :D
lol I was going to say the same thing😁
Videos are so old but still have the same juice
@@ruinfirefly2088 wt juice though?
@@khush3420 it's very informal language and slang but by juice I meant the video content is still fresh and informative. It haven't aged with time.
P.S. were you expecting some kinky stuff lol
@@ruinfirefly2088 oh. Thn I guess it still has the juice indeed.
Meaning full lecture ,and I thank you for posting this lecture on TH-cam .... Thank you sir ...
Now i can easily solve any thevenin math problem💙
Thank you dear respectable teacher💙
I did not know how easy Thevenin's theorem was. Thank you Sir, thank you very much.
Sir, your explanation is brilliant. Thank you for you lecture videos. :)
loved his passion for teaching!!
Your voice, explanation, camera view, approach to solving the problem, handwriting are all amazing.
God bless you!
Thank you very much I learned more in this hour than i did for 6 hours of lectures we had this at brunel university.
You explain things very clearly and your handwriting is clear.
You saved me many many thanks.
Thanks Dr: Bangal you give as very clear aidea about Thevenin's Theorem.
Thank you sir, great lecture indeed
12 years old when this video was made I was in primary school or jss1, and am now in university thanks to you.
Amazing video, kept me focused throughout 70 minutes! Please do not shorten your videos, their duration is just right and it is good that you are repeating one concept several times so that we can really absorb it and finally master it! Also you make reflections on typical students mistakes while explaining, which is of great help! Thank you so much for such a detailed, clear and systematic explanation! from kalyani west Bengal india
thanks india we love you
fation llulla we too love you
Mind blowing Sir... Thank you very much for this awesome video
What a superb explanation by him. Struggled in lecture class to understand this theorem but managed it understand it perfectly by him. Thank you sir !
You just made this topic look much simpler than given in other books.
Excellent teaching!!
Omg very detailed!! Very good for begineers!!
ليرحم لك الولدين
Thank you so much
From morocco
No other video can replace u r way of explaining sir ,, it's just flawless and straight ,, very much clear.
the hour that I spent on this was so worth it!! great job! cheers from Germany
Ur tutorials are really good and helpful sir.!!!
Helped me to score A..!!!!
Thank you so much sir!!!!!!
Awesome lecture & Excellent Chalkboard Writing . Thank you Sir.
amazing daer, i love u....... i used from last 4 years but could not understand the these laws.....and your one hour shows me a sparking spark....thank u sir,,,,,
Hats of to your teaching!
Amazing teacher, explains it brilliantly.
Hope to see more videos from you, perhaps nodal analysis and mesh analysis.
sir can you explain the thevenin's theorem with having dependent source in the circuit
Thank you very much sir for this awesome explanation ...... From iraq
This is the best video on this topic on youtube, I had referred to this some years back and was looking for this. Thank you.
No Sir, thank you so much! This was excellent! By far the best way I’ve seen it explained! Thank you so much for taking your time on this and spelling everything out! It really does help!
Thank you!!
THANKS DR. C.B.BANGAL SIR, FOR YOUR VALUABLE TECHNIQUES OF TEACHING... WHICH MADE EVERY CIRCUIT PROBLEMS EASY TO LEARN...
how did you draw such a perfect circuit with straight lines :O
sir i am from pakistan.i have watched alomost 10 to 15 video on thevenin....but yours method is the best..i have learned alot...thanks ..
I have no words... What a way to teaching... Amazing... All the concept is cleared... Thanks a lot
this is the most simple or easy explanation for understanding the thevenin's theorem i am begets fan of this sir because after see this video my all dautes will be cliyer
you teaching is good but we wre facing a little pblm when we got the resistance that is not of 8ohm ..
how can we solve it?
Sir make video about star to delta transformation
Excellent lecture! Thank you so much!!! I was taught mesh analysis differently but we got the same end Vth! Keep them coming!!!
Sir, i feel i am in the real classroom after a long time.such a teaching sir🙏🙏🙏
Great lecture, but may I ask what if we have a current [A] power source, is there any difference on how to "remove" it from the circuit like the voltage power source?
Thank you
It is as same as removing voltage power source
current source becomes an open switch.
Using source conversion, you can make it a voltage source,with a resistance in series.
Thanks Dr. C. But I have noticed something unclear in this video why did you take
+4(i1-i2) for the last loop and did the same thing with +4(i2) since the voltage is negative? At minute 39
Alexander Jake that's not +4(i1-i2) that is -4(i1-i2) & +4i2 because of opposite current direction...Thank You
please tac note of the voltage drop and voltage rise between those two resistors
Thank you for very nice explanation. I had not understood so much while I was in engineering .But after 40 years of engineering ,I really understood. But initially the things were highly repetitive. Your handwriting is very neat and clean.
Thank u very much sir, it helped me a lot in understanding what Thevenin's theorem is.
when im using mesh analysis with current i pass through resistor is posituve i got wrong answer for i2 :(
Same here. I found it -8/11
it should be 8/11
Dude look at his I1 -I2 at 4 ohms resistor is equal to 8 /11
But why in the solution of first circuit n the smallest loop u haven't considered the voltage drop/rise by branch of 4 ohm res? Coz while counting Vth with 2nd loop equation, u considered voltage effects with 4 ohm branch
there are 2 "4 ohm " resistors so the other one was included
When we first assigned the current in the branches, as the Load resistance branch was left open, there was initially no current asssigned to the open circuited branch 4ohm resistor, so during the later calculations we don't have to worry about the current in the open brach as there will be never any, how ever the voltage source in the open branch cannot be neglected.
One of the best lectures I have watched online ( if not the BEST ). Thanks Dr
At laast , Found a Superb channel of EEE.. Always follow u sir n good lectures in english...Thank u...English lectures r useful to all people
just being a 11th standard student ,i solved it!feeling awesome
Ma shaa ALLAH.... very nicely you have explained.
I am not an english native speaker and prof Bangal's english isn't great but damn he explains it so well that I had no issues understanding everything. Thank you
you made my day sir. 😊😊😊
we need more talented persons like you...
respect. 😃
48:09
How 2 ohm and 4 ohm resistors are in parallel? anyone explain it to me...
cause there is another 4-ohm resistor connected with the 2 ohms so you cannot consider it in series. Hence it is in parallel
Š П ł P Σ Г bhai waha current divide hoo Raha hai issiliye woo parallel hai
Because current is outgoing from that point
B is a terminal connected to one end of 4 and 2.Let C be a common terminal for both 2 and 4. Hence, we get B4C and B2C. Therefore, they are in parallel.
I love this accent!
What will happen if there any dependent source is present i.e voltage controlled voltage source ?
finally I understand Thevenin. Thank you Mr. Bangal
Dificult accent to understand for people who do not speak english as first language but i understod and i can see that you are a great teacher. Congrats and wish you all the best
sir put more vedios of 1st year engineering
nice explanation. But i can't understand only 1 thing. at second step (open circuit) you skip the 4Ω resistor and seems logical cause there were no I(A) flowing the resistor! But after that when you use close circuit you still ignore the 4Ω resistor. why??? if there are I(A) flow through Vth there must be for 4Ω resistor too... can i have an explanation?
in the closed circuit we follow the current distribution which we assumed in the earlier step. no current was flowing in the 4ohm resistor. Hence there is no voltage rise or drop in that arm .Thats why we dont consider it in step of find Vth
ok thank you very much
Yeah
Αλέξανδρος Οικονομόπουλος As here vth is imaginary as sir told so 4 ohm resistance is not taken as the circuit is open at point A and B.Reqirement of 4 ohm resistor is in the Rth value.
a question that solved my life
Sir, you are so good at explaining these theorems and it helped me a lot... Thank you so much, sir... you are a real-life savior for students like us
I respect you sir ... i am now clear what is thevenin theoream ...your teaching mathod is very helpfull for me ... I hope you make more video and we learn easyly and solve any problem confidantly ...thank you sir
PEOPLE LIKE YOU are REAL HEROS of SOCIETY sir
thank you sir! I understood your lesson. It was a great help though I didn't yet watch the first lesson on Thevenin's. It is well-explained. I look forward for your succeeding tutorials!
Sir you made the concepts look so easy. Glad that I could find well qualified and experienced professor. Thank you so much, and please keep teaching the concepts to us likewise :)
How clarity Explaination
Wow
Such teachers too exist here
My concept is clear after watching this videos...even i have not understand anything in class...thanks a lot sir for explain detail...
First class lecture...typing this as I watch it. A great big thanks.
Have watched many clip of this topic. But u are the one, who made it much easy for me to understand thank u sir .........😊
superb ...sir you are the best teacher of electronics i have ever seen.