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10 - Intro to Mesh Current Circuit Analysis (EE Circuits) 

Math and Science
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In this lesson, the student will learn about the mesh current method of circuit analysis. In this method, the circuit is broken into several meshes where a current inside of each mesh is assigned. We then write a system of linear equations that describe the entire circuit in terms of these mesh currents.
Once the mesh currents are found, any other voltages or currents in the circuit can be easily calculated. This is a central method of circuit theory and is used for many circuits where the node voltage method is cumbersome to use.

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16 фев 2018

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Комментарии : 163   
@caominhhungtran6098
@caominhhungtran6098 Год назад
41.5 mins with your instructions are much better than a week asking my professor and him not even wanting to explain!
@MathAndScience
@MathAndScience Год назад
Thank you!
@victorjimenez7213
@victorjimenez7213 3 года назад
8 mins in and wow. I wish my professors taught as well as you do. I’m a Senior ChemE student dying in a basic ECE class. Bless you sir
@justasydefix6251
@justasydefix6251 2 года назад
Just so you know. ChemE has some relationships with EE. There are Batteries, computerchips etc... Unless you narrow your chemE to bio or something like that but then you will still have to study EE physics.
@josephh.3896
@josephh.3896 5 лет назад
This guy is incredibly good to explain complicated things simple. Thank you Jason the Professeur
@MathAndScience
@MathAndScience 5 лет назад
Awww Thank you so much! - Jason
@ALEX-gr7dx
@ALEX-gr7dx 4 года назад
I've used a lot of youtube tutorials youre the best teacher whether its engineering circuits or Laplace transform or any topic for that matter.
@LORDzFX
@LORDzFX 6 месяцев назад
I’m very grateful sir You saved my exams 🙏 God bless you
@aaronstaana
@aaronstaana 3 года назад
This saved my butt studying mesh analysis during this online classes
@Windblade66666
@Windblade66666 2 года назад
I really appreciate this video by a lot specially the part when you explain the polarity of the components in mesh analysis because for a very long time I was mixing then up with KVL and it made so confused for a long time. Thank you very much and I hope for pleasant event for you all the time
@bilkisakther6277
@bilkisakther6277 Год назад
At Mesh C :will it be (-20) or (20) in the 1st line as it is going to (+) to (-).. pls tell me....
@TheRandomShow52
@TheRandomShow52 4 года назад
Thank you so much! My electronics tutor has no real understanding of this topic so its good to find a lesson taught so clearly
@rods6405
@rods6405 3 года назад
Thanks very much for this. It helped me confirm Hafler circuit operation for audio that I had worked out in Excel using just ohms law. Basically the same CCT but, AC generators not DC, and 2Ω and 4Ω res are 0Ω and others are 8Ω(speakers) I did electronic engineering 40 year ago! I then used your matrix method and also discovered that Excel has built in inverse and matrix solving features, I was so happy when I got the same answers.
@abdullahshakir7401
@abdullahshakir7401 5 лет назад
Why do I even go to college....
@anthonyasabere1364
@anthonyasabere1364 3 года назад
Yes man.. What they take 3 hours to teach us we don't get it.. When we come here for 40 mins, we get it better
@WeLit999
@WeLit999 Год назад
😂😂
@BeekersSqueakers
@BeekersSqueakers Год назад
Because hiring managers are lazy.
@IamPhant0m
@IamPhant0m 2 года назад
I’ve been struggling in a mining circuits class and this has helped out a ton!
@NEEVURIVENUGOPALREDDY
@NEEVURIVENUGOPALREDDY 3 года назад
one of the best lecture i've ever seen thank u sir
@proxy8918
@proxy8918 2 года назад
Thank you so much. I didn't understand this at all until watching this video. You are an excellent teacher.
@reubenwilliammpembe667
@reubenwilliammpembe667 5 лет назад
Thank you Sir you are the best!!! #RespectFromSouthAfrica
@larslover6559
@larslover6559 2 года назад
You are my favorite teacher, Jason! Great job.
@yusdobhipakage2128
@yusdobhipakage2128 2 года назад
Thanks for the explanation of the formulas which I felt the most and did not know before and now I can understand through his professional explanation. Great sir.
@opiasareginabea9869
@opiasareginabea9869 4 года назад
Thank you Sir ! You explained it very well. Now I have understand how to use the passive sign convention. Once again, thank you! May God bless you more!
@MathAndScience
@MathAndScience 4 года назад
You are most welcome
@pranathidevulapally9418
@pranathidevulapally9418 3 года назад
This is actually a model of my homework Problem... it's really helped me...🙏👍
@CarlosMartinez-jf3rn
@CarlosMartinez-jf3rn 5 лет назад
Muy bueno profesor, greetings from mexico
@johnkyingilisi4395
@johnkyingilisi4395 4 года назад
I used KVL and achieved the exact 28.8v ,in less than 10 mins.However in front of camera while explaining it to students it is a lot more difficult. Excellent tutorial.
@MathAndScience
@MathAndScience 4 года назад
Thanks so much!
@Ajalgai
@Ajalgai Год назад
You are good teacher who knows how make student understandable
@jeffjefferson2676
@jeffjefferson2676 Год назад
Pretty good explanation. It helped me out a lot with my homework. Thank you! Greetings, Jeff
@incudust953
@incudust953 2 года назад
at the 11:30 mark u state that + to - is positive and - to + is negative, but it doesnt matter how u use the sign convention. so do u mean i can write in + to - as negative, and a - to + as positive and it wouldnt matter as long as i follow the same sign convention around the whole circuit? Im reading schaums basic electricity 2nd edition and it states that + to - is negative, and - to + is positive.
@klong4128
@klong4128 3 года назад
Very Good essential introduction to MESHcurrent or NODEvoltage simple example matrix solution ,result analysis conclusion .GOOD job !
@shicarter6969
@shicarter6969 2 года назад
What video do I need to watch to know how to do matrix Ax=b?
@noone7186
@noone7186 5 лет назад
Men you’re brilliant thanks as the sky 😻♥️🙆🏻‍♂️
@jom5955
@jom5955 Год назад
I'm confused, I know that resistor consume energy, so whenever a current passes through a resistor, from positive to negative, it's create a drop so the sign is negative (-) but you are saying different things that we should asign positive (+) for the resistor when a current passes through from positive to negative. Please I need more explanation because you are confusing me
@isaacaidoo2096
@isaacaidoo2096 2 года назад
Good job Tutor, This is simplicity out of complexity! You do all!,
@neil3858
@neil3858 3 года назад
Exactly what they teach in Naval A School. Great material.
@normalvector4564
@normalvector4564 3 года назад
Very on point explanation. Nuances are clearly explained. Thank you, Sir.
@MrWindow789456
@MrWindow789456 5 лет назад
Thank you, next time can you show us how to do EE Circuits matrix with a calculator? I got it anyway. But that will be easier for those who doesn't know matrix.
@ndoewsithole8555
@ndoewsithole8555 5 лет назад
thank you sir I almost went to write my exam without getting this right. thank you
@user-kd4fp5bl3k
@user-kd4fp5bl3k 8 месяцев назад
Wow this professor has so many experience
@brianramz6681
@brianramz6681 4 года назад
i just hope on ur videos you have thevinin and supersposition technique... thanks for ur help
@adamcryer5990
@adamcryer5990 Год назад
How did he get the decimal values at 30:12?
@richardofori1868
@richardofori1868 2 года назад
I don't understand why the first equation had -40. Should it be +40 because it there was a current motion from the negative through to the positive
@nickcaruso8893
@nickcaruso8893 3 года назад
Thank you for posting these videos!
@drproton85
@drproton85 2 года назад
You saved me in class! Thank you so much!
@ndereratjijahura2048
@ndereratjijahura2048 3 года назад
I need examples of nodal analysis for circuits with two voltage sources and five resistors when finding voltage 1 and voltage 2as well as current through each resistor
@kylagracee3595
@kylagracee3595 3 года назад
THANK YOU SIR! I understand what you have taught, just having trouble doing matrix
@ichigo8607
@ichigo8607 2 года назад
I hope you're not having any problems with the matrix anymore
@kylagracee3595
@kylagracee3595 2 года назад
@@ichigo8607 i hope so HAHA
@elchuginho
@elchuginho 4 года назад
Why not just use rref on the calculator to solve the matrix?
@mailbergkebirungi3791
@mailbergkebirungi3791 3 года назад
I really understand your tutorials,thankyou so much,may God bless you,you are such a blessing sir🙏🙏🙏
@t.s.janavi8162
@t.s.janavi8162 3 года назад
YO man...thxx alot this really helped me with my hw...i was stuck at a place and now i got the answer. Bless you sir
@lorimaureen5305
@lorimaureen5305 3 года назад
How to do the matrix on sci cal?
@josephatbayyo5024
@josephatbayyo5024 3 года назад
Thanks from Tanzania
@zilog1
@zilog1 Год назад
interesting that we act like a current is going in one way and the math still works out even tho its not the way current is flowing at all. very interesting
@user-kd4fp5bl3k
@user-kd4fp5bl3k 8 месяцев назад
Thank you sir for your explanation may GOD bless you
@kiellandbrwn1
@kiellandbrwn1 4 месяца назад
This man is so cold 😮!! You dont truly understand something if you cant make it simple and my teacher doesn’t truly understand this
@plusultra8460
@plusultra8460 Год назад
thanks so much it helped me so much and the way you explain is so good is brief and precis thanks
@aryandwivedi5115
@aryandwivedi5115 4 года назад
Great Videos sir....really enjoyed learning
@m4ck825
@m4ck825 6 лет назад
does it matter if your using conventional or electron flow?
@udoemmanuel983
@udoemmanuel983 Год назад
Interesting your my favorite teacher keep it on
@geminilouvre7789
@geminilouvre7789 2 года назад
thanks, Sir, but I have a question. How can you solve the power absorbed by each resistors?
@noranisfarhana4368
@noranisfarhana4368 5 лет назад
Thank u sir...it really helpful for my last min stdy
@alias6676
@alias6676 4 месяца назад
man so many people explain those methods in such overcomplicated way. Usually they try to figure out the actual way current flows only to ignore it later
@nokuphiwamncube5370
@nokuphiwamncube5370 Год назад
I'm really confused with your calculations sir ... I don't know how you get voltage rise in all your resistors😭😭
@user-wu8eu6bv1r
@user-wu8eu6bv1r 5 месяцев назад
Thank you sir, but I don't understand the matrix solving skills.
@lawrencejohnson5537
@lawrencejohnson5537 5 лет назад
He killed it absolutely
@TheElectromagno
@TheElectromagno 4 года назад
Very well explained with a fantastic pedagogy. Thank you very much.
@rameshkumarthayyil
@rameshkumarthayyil 3 года назад
The explanations make everthing really simple. Tkank you very much sir . but can we solve the same with Node Votage method?
@AloysiusAlphonsus
@AloysiusAlphonsus 4 года назад
Does anyone know a mesh-forming algorithm, suitable for analysis of electrical circuit transients (e, R, L, C - not necessarily linear)
@ciphernx
@ciphernx 5 месяцев назад
i probably made a mistake somewhere in my homework and will get 0 for a specific question because this is electricity but still thanks for the video, helped very well
@yushengtzou
@yushengtzou 2 года назад
Is ia equal to i? Thank you~
@ivancastro365
@ivancastro365 2 года назад
shouldn't Ib= 4.75. I got your equation for ib in terms of ic and 20v and I also got ic=0.8
@danial9070
@danial9070 3 года назад
Wait, mesh current and kirchoff current are different things?
@ivancastro365
@ivancastro365 2 года назад
How come you can't keep for mesh 2 +R2(ib-ia) and for mesh 1 - R2(ib-ia)? *I'm keeping voltage drops from - to + positive and + to - negative. PLEASE HELP test on tuesday
@shahlaanjum9080
@shahlaanjum9080 3 месяца назад
I have the same query
@umairkhan-eh4fe
@umairkhan-eh4fe 6 лет назад
thank prof. i really love the way u explained it
@oduroflames3349
@oduroflames3349 23 дня назад
Solving the equations simultaneously gives wrong answers.. Can someone tell me why
@nhitc6832
@nhitc6832 14 дней назад
you probably made a math error somewhere.
@jv_lamsen10
@jv_lamsen10 4 года назад
I think the indication of the "plus" and "minus" sign are wrong... if I'm wrong please explain it to me. Much appreciate it.
@anushapalepu9633
@anushapalepu9633 4 года назад
i felt the same..and i am still confused.
@cesaru3619
@cesaru3619 3 года назад
Professor cheeks is the BEST!
@michelvandenakker4875
@michelvandenakker4875 3 года назад
It is so much easier if you just apply the superposition principles using the Thevenin and Norton equivalents of voltage and current sources. You can almost do it without a calculator. No matrix calculations required!
@rods6405
@rods6405 3 года назад
That's what I thought off the top of my head but could not remember what it was called then I looked up superposition and bugger me I did this at Tech College 40 years ago.
@satyananda4389
@satyananda4389 2 года назад
Thank You So Much Sir Jason
@rhecavillaceran5564
@rhecavillaceran5564 4 года назад
Thank you Sir!
@naderhumood1199
@naderhumood1199 Год назад
Thank you v much Sir. Great lesson.
@mohamedehab1255
@mohamedehab1255 5 лет назад
so BEAUTIFUL ! awesome content, thanks ^^
@russelgeraldpenaflor8683
@russelgeraldpenaflor8683 4 года назад
Sir how about theres a capacitor and inductor in circuits?
@Isaac_blingz
@Isaac_blingz 4 года назад
exactly my question
@tresajessygeorge210
@tresajessygeorge210 Год назад
THANK YOU... SIR...!!!
@vakhariyajay2224
@vakhariyajay2224 2 года назад
Thank you very much. You are a genius.
@MathAndScience
@MathAndScience 2 года назад
Thanks so much!
@reginaldgarcia1549
@reginaldgarcia1549 10 месяцев назад
I am confuse for a second there. I was watching a negative voltage drop, i thought i was wrong HAHAHA
@commadorestizzy3680
@commadorestizzy3680 2 года назад
Do we not have to worry about the polarity of the resistors?
@RensMartens
@RensMartens 2 года назад
Resistors are bidirectional meaning they do not have a polarity, so you don't have to worry about that.
@shahlaanjum9080
@shahlaanjum9080 3 месяца назад
I guess what he did was solely based on the assumption that the polarity of the resistor depends on the direction of the current in each mesh
@CoffeeeTea5849vfvf
@CoffeeeTea5849vfvf 6 лет назад
is it the same if I calculate V0= (ib-ia)*8= -28.8V. Then , I change it from minus to plus ?
@kushalp913
@kushalp913 5 лет назад
If the solution comes out in negative sign it indicates that its anticlockwise .
@tomjoad6993
@tomjoad6993 3 года назад
In this video: watch?v=k5Tlg27JDtc he says when going from - to + you use + because it's a voltage rise. So for the power source you would write 40 instead of -40. Why did he say that? Because what he said makes more sense than what you are saying in terms of going from - to + is treated like a voltage loss since you use - i.e. -40 in this example.
@jaappoldervaart7851
@jaappoldervaart7851 6 лет назад
Thank you, your’e a super teacher, it’s cristal clear!
@zachp2389
@zachp2389 5 лет назад
Jaap Poldervaart how did you make it all the way to engineering circuits without knowing how to spell?
@5amdrive465
@5amdrive465 Год назад
Thank you
@Formidable_foe.
@Formidable_foe. 3 года назад
You sir are amazing🔥🔥🔥🔥🔥🔥
@shreetuljabhavanimandirkal1787
@shreetuljabhavanimandirkal1787 3 года назад
Thank u so much sir it helped me a lot
@womenattire3690
@womenattire3690 4 года назад
Great video But i didnt understand why you not marked negative sign in mesh 2 8(ib-ic) As convention goes from neg to post Please reply
@michaelheryanto7555
@michaelheryanto7555 4 года назад
he didn't put negative sign because it flows in the same direction with ib mesh current. you see
@brianramz6681
@brianramz6681 4 года назад
finally i understand my EEEN201
@MathAndScience
@MathAndScience 4 года назад
Awesome! Jason, MathAndScience.com
@pandapanda4124
@pandapanda4124 6 лет назад
What type of calculator do you need?
@MathAndScience
@MathAndScience 6 лет назад
I use a TI89 or HP50. Good luck! View all my Lessons and Courses! Visit: www.MathTutorDVD.com
@charrr7136
@charrr7136 5 лет назад
HOW DID HE GET THE 5.6, 2.0, & -0.80. PLEASE SOMEONE HELP ME, I HAVE A QUIZ ON THIS LATER T_T
@anushapalepu9633
@anushapalepu9633 4 года назад
just google 3 by 3 matrix multiplication with 1 by 3 matrix. you will find the answer.
@brianrosado7211
@brianrosado7211 2 года назад
This really helped.
@geraldmuhumuza4017
@geraldmuhumuza4017 Год назад
I like this sir. Thnx
@MathAndScience
@MathAndScience Год назад
Most welcome
@workoutmusic4236
@workoutmusic4236 6 лет назад
Best easy example
@CoffeeeTea5849vfvf
@CoffeeeTea5849vfvf 6 лет назад
You are amazing . Thank you
@kurdapsbakeks4507
@kurdapsbakeks4507 2 года назад
So fun to watch
@lalith_kumar_akhila2411
@lalith_kumar_akhila2411 3 года назад
Thank you sir
@daksamuel5273
@daksamuel5273 3 года назад
Wow Look this guys teaching
@Detonat0r
@Detonat0r 5 лет назад
thank you so much, you are awsome
@STP31
@STP31 3 года назад
Thank you soo much sir
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