Circuits 1 - Mesh Analysis and Super Mesh - Example

  Рет қаралды 104,885

UConn HKN

UConn HKN

Күн бұрын

Пікірлер: 72
@edmundohernandez8464
@edmundohernandez8464 6 жыл бұрын
duuuuude this video is great!! you explained everything, even the simple stuff that someone who didn't pay attention in class at all will need. THANK YOU!
@oluwatobiakinola25
@oluwatobiakinola25 Жыл бұрын
Finally!! someone who did a more complex question. Thanks
@pabombs1244
@pabombs1244 7 жыл бұрын
Thank you for solving a difficult-ish problem, all the other videos were doing problems that were not hard enough!
@UConnHKN
@UConnHKN 7 жыл бұрын
You're very welcome! If you have any problems you'd like us to solve, let us know!
@NineInchFailz
@NineInchFailz 4 жыл бұрын
I have been seriously struggling for my entire class understanding why these kinds of circuits behaved the way they do it and you just cleared it up so well. I was specifically curious about how a supermesh could possibly be accurate given you're essentially ignoring the middle elements, but the way you explained it made so much sense.
@davedarius7346
@davedarius7346 Жыл бұрын
Informative class ✌🏻 but just one thing I noticed is that, we here learned to take Mesh Analysis by the others sign i.e. 20-3(i1-i3)-5i1=0(First mesh) and in that manner! Basically the same but we flip the signs, I guess It's different conventions in different regions!
@adhamelkasaby9423
@adhamelkasaby9423 Жыл бұрын
I think ur right, because current direction is from the +ve terminal to the -ve terminal (which is the opposite to electron direction), But in the end, both are the same because we impose all this
@scottgreen3807
@scottgreen3807 2 жыл бұрын
Nice, finally got to the level. I learned all this stuff at Albuquerque Technical Vocational Institute in 1981. Used it for decades, well stuff like this. These are the building blocks of the world. Where’s your op amp lectures? Great stuff.
@awildmoosey
@awildmoosey 5 жыл бұрын
for anyone wanting to check: i_1 = (-92/43) A i_2 = (-34/43) A i_3 = (-49/43) A
@jimcoelectronicsystemsengr325
@jimcoelectronicsystemsengr325 2 жыл бұрын
nice video. I have clearer insight now. Thanks What kind of smart board is this
@Dalie3011
@Dalie3011 6 жыл бұрын
give this guy a raise
@kevinmain3399
@kevinmain3399 8 жыл бұрын
solving for i_1 I got ... i_1=i_3-1 .... substitute i_3 - 1 for i_1 to get these equations (eq1) -3i_3 + 3 + 11i_2 - 2i_3 = 0 (eq2) 8i_3 - 8 - 5i_2 + 6i_3 = -20... simplify to get 2 unknowns... 11i_2 - 5i_3 = 0 (eq1) and -5i_2 + 14i_3 = 12 (eq2) using inverse matrix to solve... I got i2 = 0.47 A, i3 = 1.02 A, and i1 = 0.02 A.
@mdsiam9109
@mdsiam9109 Жыл бұрын
3rd one was special...superbbbbbbb!!
@xyzpg
@xyzpg 5 жыл бұрын
You made it crystal clear .Thanks.
@istainblack
@istainblack 8 жыл бұрын
So I had a question. When you solved the super mesh circuit, you drew a new composite box to sum the voltage drops around. Was there anything special about the new box you chose? Could you have not used one of the previous box's you'd drawn to sum the voltage drops around in order to solve for your currents?
@istainblack
@istainblack 8 жыл бұрын
Ok so I can see now that calculating a voltage drop across smaller boxes you had previously drawn would not work as you would have to calculate a voltage drop over the ideal current provider, which wouldn't be so cool.
@fubrian2945
@fubrian2945 4 жыл бұрын
This is underrated.
@240mains
@240mains 3 жыл бұрын
missed it ! 3 books you should read ( at least read the DC chapters of each book ) Engineering Circuit Analysis 5th edition Hayt and Kemmerly Electric Circuits ,...Nilson 2nd edition Basic Engineering Circuit Analysis Irwin , 4th edition or newer editions
@Bass000
@Bass000 7 жыл бұрын
When you go from negative to postive of voltage it mean voltage rise it must be positive 20v in I1 (loop1)
@altuber99_athlete
@altuber99_athlete 6 жыл бұрын
Ibnu Bastistah No. There are two ways to apply KVL (in resistive linear circuits). One is how you say, i.e. the voltage sign is determined by which terminal the current loop is *exiting* (and thus the voltage of the battery in that loop is positive and the voltage of the resistors is ALWAYS negative). The other way, which is the one he applis and the one I think Sadiku's book applies, is that the voltage sign is determined by which terminal the current loop is *entering* (and thus the voltage ofthe battery in that loop is negative andthe voltage of the resistors is ALWAYS positive). Now, is the equation obtained by the first methos the same or a equivalent of the one obtained by the secons method? Yes! Just multiply an equation by -1 and you'll get the other.
@iruettka
@iruettka 5 жыл бұрын
shouldn't the current in loop 3 go in the opposite direction? since the current is going from - to + from the 40 V source?
@psychoturtle509
@psychoturtle509 Жыл бұрын
You prob know this already, but for other commenter, to obey sign convention, each loop must go in same direction
@estebamp3720
@estebamp3720 5 жыл бұрын
Dude, you're the best, keep up the good work!
@MarcoLopez-wy6zx
@MarcoLopez-wy6zx 7 жыл бұрын
Very helpful indeed! Thanks bro! Keep it up with these kinds of tutorials :)
@HQR000
@HQR000 7 жыл бұрын
thanks a million. my lecturer sucks at explaining things
@UConnHKN
@UConnHKN 7 жыл бұрын
Glad you enjoyed it!
@zahidnabi21
@zahidnabi21 3 жыл бұрын
kzbin.info/www/bejne/rnW4mXmumsqpmZY
@waroftheworlds2008
@waroftheworlds2008 6 ай бұрын
4:30 so on passive elements (RLC) the passive sign convention is always positive with this method? and it's only the sources that you decide on positive or negative?
@UConnHKN
@UConnHKN 6 ай бұрын
The sign convention is just that, a convention. The easiest thing to do is the write the positive and negative signs on the passive elements at the beginning of the problem and them as you traverse the KVL loop, use the sign for the element that you encounter first. ~Andrew F
@UnoDuosTre
@UnoDuosTre 5 жыл бұрын
Won't 40 be negative because it shows a voltage drop?
@fanpeter-z3c
@fanpeter-z3c 5 жыл бұрын
yeah i think the third equation should be -40v too
@muhammadsaqlainishtiaq4467
@muhammadsaqlainishtiaq4467 7 жыл бұрын
That 1amp is the common to both of meshes thats what makes it super mesh.
@adivhahofrenenetshimbupfe4124
@adivhahofrenenetshimbupfe4124 7 жыл бұрын
i found this very helpful..i understood mesh in just one vedio
@anilkumarraju1898
@anilkumarraju1898 6 жыл бұрын
Good
@narutouchiha1946
@narutouchiha1946 6 жыл бұрын
This is an excellent video thanks a bunch.
@arslannazir1468
@arslannazir1468 7 жыл бұрын
ITS GOOD EFFORT..... KEEP IT UP
@UConnHKN
@UConnHKN 7 жыл бұрын
THANK YOU!
@EpicNostra
@EpicNostra 6 жыл бұрын
How does he write like this? Backward!! Reverse !!
@DeanOckenden8
@DeanOckenden8 5 жыл бұрын
He writes normally, they flip the video during editing.
@jonathanchiii1706
@jonathanchiii1706 4 жыл бұрын
He wrote on the glass between him and camera, and they flipped the video
@MrSmallPet
@MrSmallPet 3 жыл бұрын
He writes on the glass as normal, once the video is in the editing stage, the video is then edited
@shanny3667
@shanny3667 2 жыл бұрын
@@jonathanchiii1706 thanks for pointing that out. I can now sleep peacefully 😌😌😌
@shanny3667
@shanny3667 2 жыл бұрын
I was thinking the same thing! LOL
@materialsky313
@materialsky313 4 жыл бұрын
clear and concise, thanks!
@alishajiwa884
@alishajiwa884 6 жыл бұрын
How do i find the next part to this video?
@support.2023
@support.2023 2 жыл бұрын
Your country name? I am from Bangladesh 🇧🇩
@nithishkumar9283
@nithishkumar9283 6 жыл бұрын
At 1A why should we take I3-I1 not I1-I3
@carsonprokopuik5101
@carsonprokopuik5101 6 жыл бұрын
KCL... sum of currents at a node is zero so if I1 is assumed as CW and I3 is also CW then I3 = I1 + 1A... which => 1A = I3-I1
@richardhall9815
@richardhall9815 4 жыл бұрын
It's a bird... it's a plane... it's SUPERMESH!!!
@hollysukulelemunford2432
@hollysukulelemunford2432 4 жыл бұрын
Hahaha great super mesh!
@uzzalh.mohammad1329
@uzzalh.mohammad1329 7 жыл бұрын
Nice tutorial ! very helpful, thanks . :)
@khalid98
@khalid98 6 жыл бұрын
جميييييل جدا👍 شكرا🌷🌷
@b62_shriharishatrughan79
@b62_shriharishatrughan79 3 жыл бұрын
good stuff g
@zacharyschneider6040
@zacharyschneider6040 4 жыл бұрын
literally taught more than my garbage online class b/c of covid
@frankvalenti8350
@frankvalenti8350 6 жыл бұрын
Awesome vid
@mdnazmulhuda2555
@mdnazmulhuda2555 7 жыл бұрын
it was very helpful
@UConnHKN
@UConnHKN 7 жыл бұрын
Glad to hear that! Let us know if we can do any other problems for you ;)
@safoma
@safoma 6 жыл бұрын
You're so blessed
@Dalie3011
@Dalie3011 6 жыл бұрын
You're the best
@hollysukulelemunford2432
@hollysukulelemunford2432 4 жыл бұрын
Wow! INSPIRED! Super mesh! UKULELE HOLLY BLOE USA
@denji3397
@denji3397 5 жыл бұрын
Nice tutoring :3
@rabbipaalan7586
@rabbipaalan7586 7 жыл бұрын
bro in 2nd equation where 6ohmscome from
@UConnHKN
@UConnHKN 7 жыл бұрын
Current I2 goes through the 6 ohm resistor on the top of the circuit, bro
@zahidnabi21
@zahidnabi21 3 жыл бұрын
kzbin.info/www/bejne/rnW4mXmumsqpmZY Learn the technique and u can solve any problem
@hajer5477
@hajer5477 7 жыл бұрын
THANK YOU
@pls_letmewin9548
@pls_letmewin9548 6 жыл бұрын
Tq , ur the best
@leftenantthunder
@leftenantthunder 4 жыл бұрын
unfortunately this is wrong. The sign notation is wayy off and you cannot get the right answer following this method.
@dalenassar9152
@dalenassar9152 Жыл бұрын
I agree! He wrote the voltages with the wrong sign WRT the the method used for the resistor voltages.
@faisalaldubaikhi2357
@faisalaldubaikhi2357 4 жыл бұрын
5:13
@bobbytaraantino
@bobbytaraantino 5 жыл бұрын
Can you make a solution in an old fashion? Our teacher says that we need to show our solution to get a points.
@ralphwv
@ralphwv 5 жыл бұрын
5:12 BURP!!!!
@waferlayout
@waferlayout 10 ай бұрын
Much appreciated Sir 🫡 🤭 Use matrix to solve it for 30 secs
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