Kirchhoff's Rules (3 of 4) Circuit Analysis, Example No. 2

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Step by Step Science

Step by Step Science

Күн бұрын

Пікірлер: 226
@Xx-nd1rs
@Xx-nd1rs 4 жыл бұрын
thannnnnnnnk you I have an exam and before I watched your video I was totally lost but you made it so easy and clear..I understood it very well... thank you again you are genius!
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Great, thanks for the comment, I hope the exam goes well!
@RawDiscovery
@RawDiscovery 2 жыл бұрын
I am in the same boat right now, I have my first exam in a few days and have learned a lot from this KZbin channel. Thank you!
@kanagarajpalanivel8271
@kanagarajpalanivel8271 7 жыл бұрын
It's very kind of you to respond promptly to individual ,which speaks volumes about you.I myself a senior Professor of Internal Medicine in a Govt.Medical College.Thanks-Dr.Kanagaraj.
@stepbystepscience
@stepbystepscience 7 жыл бұрын
I teach physics and a little math at a small private school in Berlin, Germany.
@scourgemusic8490
@scourgemusic8490 6 жыл бұрын
Step-by-Step Science sir you are a life saver im really REALLY thankful for this Im a student of electrical power engineering and electric circuit analysis was really giving me a very tough time The way you explained kvl and kcl have helped me a lot Hats off to you sir much respect
@Afrojaw329
@Afrojaw329 Ай бұрын
8 years later and this video is still helping the current generation of EE students.
@stepbystepscience
@stepbystepscience Ай бұрын
great to hear, thanks for your comment
@Garen1
@Garen1 8 жыл бұрын
I dont know why u are not that popular yet. Ur videos are freaking amazing!!!! Its clear and easy to understand, thanks alot!
@stepbystepscience
@stepbystepscience 8 жыл бұрын
+Alla tatevosian Thank you very much for noticing and commenting, tell all of your friends! You can see a listing of all my videos form my website at www.stepbystepscience.com
@chemist7908
@chemist7908 7 жыл бұрын
I know sheesh
@nashenaspadarem398
@nashenaspadarem398 3 жыл бұрын
Why we have two voltage sourses? 🤔
@fusetechllc
@fusetechllc 13 күн бұрын
I am not studying electrical engineering. I have to know this for an electrician contractor licensing test. I studied Ohms Law in apprenticeship school, but never any advanced formulas. (I did find Kirchhoff, Superimposition and Thevenin in my old textbook.) My new textbook was too complicated. I found other videos with similar techniques, but this method works without having more calculations. Using the node rule to write out the equations eliminates steps that get confusing when calculating the current and voltage drops later. I had a textbook quiz that only had answers and didn't show how to solve it. I tried multiple ways for hours and days. I finally got the answer by trying different combinations of the various values. I had to add the two power source values together for one of the branches. But, I couldn't figure out why the answer was correct. With this method, the positive and negative values and current direction are determined before you work any equations. I got the correct answers to the textbook quiz, following this method, on the first try. I agree with other comments that your channel should have way more views and likes.
@stepbystepscience
@stepbystepscience 9 күн бұрын
Thanks very much for your great feedback
@amosmclaughlin6186
@amosmclaughlin6186 7 жыл бұрын
Very helpful I learned this in class the other day and was confused, this cleared it right up for me!
@stepbystepscience
@stepbystepscience 7 жыл бұрын
Great that you found the videos helpful. You can see a complete listing of my videos at www.stepbystepscience.com
@theimprovist4158
@theimprovist4158 6 жыл бұрын
This guy is amazing, he literally explained the whole chapter, including an efficient solving method for the equations. Thank you so much
@stepbystepscience
@stepbystepscience 6 жыл бұрын
That is very nice of you to say, thanks!
@theimprovist4158
@theimprovist4158 6 жыл бұрын
You re kindly welcome
@saarah1750
@saarah1750 6 ай бұрын
YOU ARE LITERALLY GODSENT 🙏🙏🙏
@stepbystepscience
@stepbystepscience 6 ай бұрын
Thanks, so nice of you!
@laurenadkins147
@laurenadkins147 7 жыл бұрын
Thank you so much for these videos. Your videos are by far the most helpful and easy to follow that I have come across. I always recommend your videos to friends who need help!
@stepbystepscience
@stepbystepscience 7 жыл бұрын
Thank you very much for the comment and all of the support. Very nice of you!
@Hadesgrieve
@Hadesgrieve 7 жыл бұрын
I found your video 15 minutes before my exam, It helps a lot! Thank you
@stepbystepscience
@stepbystepscience 7 жыл бұрын
Great hope the exam went well!
@kanagarajpalanivel8271
@kanagarajpalanivel8271 7 жыл бұрын
I am a senior medical doctor -found very easy and useful to teach my son .fine
@stepbystepscience
@stepbystepscience 7 жыл бұрын
Thanks for all of the great comment and thanks for helping your son. He is lucky to have such supportive parents.
@tsholofelommopane9659
@tsholofelommopane9659 6 жыл бұрын
wow ur amazing sir I didn't get a thing in the lecture room on this concept,but through the basics u presented followed by application of the basics and steps u stated ,now I get it...grt work ur the best God bless the works of ur hands
@stepbystepscience
@stepbystepscience 6 жыл бұрын
Great, glad that the videos were helpful and thanks for letting me know.
@noorahmad.35
@noorahmad.35 4 жыл бұрын
I have so much respect for the people that can teach others in a simple way. Thanks a lot! You just got yourself a subscriber!
@stepbystepscience
@stepbystepscience 4 жыл бұрын
You are very welcome and thanks for the great comment.
@timnablessing3049
@timnablessing3049 4 жыл бұрын
thanks so much i had alot of problems in solving kirchoffs law but after watching this video i learn more
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Glad to hear that and thanks for commenting.
@guuguu7559
@guuguu7559 3 жыл бұрын
I’ve my mid term in 3 hours u saved my life thanks 🙏🏻
@stepbystepscience
@stepbystepscience 3 жыл бұрын
You're very welcome!
@Shipsisawesome
@Shipsisawesome 5 жыл бұрын
I love physics, but these circuit problems give me some serious headaches. Thanks to your video I now can wrap my head around it and achieve the desired results. Thank you!!
@stepbystepscience
@stepbystepscience 5 жыл бұрын
Yes, they can bit of a pain in the you kn ow what. More algebra than physics.
@datpham31415
@datpham31415 6 жыл бұрын
this guy is awesome who help my home works
@stepbystepscience
@stepbystepscience 6 жыл бұрын
Thanks for all of your support and comments.
@crunchygoow6940
@crunchygoow6940 3 жыл бұрын
I am sharing this channel with my class chat!
@stepbystepscience
@stepbystepscience 3 жыл бұрын
That's wonderful, thanks for sharing!!
@joloallexicepineda7347
@joloallexicepineda7347 3 жыл бұрын
Thank you I clearly understood the lesson 😁😁😁 May God bless you always!
@stepbystepscience
@stepbystepscience 3 жыл бұрын
I'm glad it was clear, you are most welcome!
@rocketzan
@rocketzan 8 ай бұрын
Great video! You're a life saver, keep up the great work!
@stepbystepscience
@stepbystepscience 8 ай бұрын
Thanks, will do!
@carlosdominguez7088
@carlosdominguez7088 4 жыл бұрын
Excellent as the two previous ones. Thanks!
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Thanks again.
@redmanmain2204
@redmanmain2204 7 жыл бұрын
your the best.. great instruction skills step by step.. i await more of your excellent teachings.
@stepbystepscience
@stepbystepscience 7 жыл бұрын
Thanks for the great comment, You can see a listing of all my videos at www.stepbystepscience.com
@acdcjonnyboy
@acdcjonnyboy 8 жыл бұрын
Great video, love the way you explain every step very thoroughly, this is exactly the type of video that helps people like me learn, thanks for the excellent video and teaching style. However I did get stuck at 9:18, couldn't quite work out how you got to 4.21. Nonetheless your video taught me a lot and was very helpful.
@stepbystepscience
@stepbystepscience 8 жыл бұрын
Thank you for the very thoughtful comment. You can see a listing of all my videos at my website, www.stepbystepscience.com
@julliferjosephtuba2202
@julliferjosephtuba2202 5 жыл бұрын
I'm 2 years late! but for 9:81, 3.21(I²) was simply transposed to the left side of the equation. Remember that any variable has a coefficient of 1 by default, thus 3.21(I²) was added to 1(I²) and got 4.21(I²) as the result.
@foolishgruntigluana7041
@foolishgruntigluana7041 4 жыл бұрын
Thank you man really... I first solved it myself after learning from your previous parts and then checked by looking at your solution and got the exact right answer! I thank you from bottom of my heart. Solving such problems is a really big thing for me, even though I am 15 and should be able to it :( Btw subscribed to your channel!
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Great that you found the videos helpful. Thanks for the great comment and of course thank you for subscribing.
@collegeguy1325
@collegeguy1325 8 жыл бұрын
signed up just to tell you that your explanation is amazing! If we could have professors like you teaching , engineering wouldn't be so tough to understand then! Thank you for taking your time and explaining this. Subbed!
@stepbystepscience
@stepbystepscience 8 жыл бұрын
That is very nice of you to say. You can see a listing of all my videos at my website, www.stepbystepscience.com 2
@lungilechiya4846
@lungilechiya4846 2 жыл бұрын
I'll surely get this Medical Degree you are the best🥳thank you so much
@stepbystepscience
@stepbystepscience 2 жыл бұрын
You're welcome and best wishes for your degree.
@enochayomiposi8845
@enochayomiposi8845 Жыл бұрын
Love this guys explanations
@stepbystepscience
@stepbystepscience Жыл бұрын
Glad to hear it, thanks!
@carterkessinger2023
@carterkessinger2023 5 жыл бұрын
You are the absolute man. Thank you so much. God bless you.
@jeanpierrevanderzandt8021
@jeanpierrevanderzandt8021 Жыл бұрын
I have an exam coming up and not to sure about all this. After watching this video it is making alot more sense to me now. I just don't understand where you state after I2 = 9.8 -3.2I2 it says 4.2I2 = 9.8. isn't it supposed to be 3.2I2 = 9.8?
@gddoragasim6223
@gddoragasim6223 5 жыл бұрын
I wouldn't to understand these laws if not for these videos , thanks !
@stepbystepscience
@stepbystepscience 5 жыл бұрын
Thanks for that great comment, I spent a lot of time putting those videos together.
@jharakesh61
@jharakesh61 4 жыл бұрын
You explained well. Thank you sir
@stepbystepscience
@stepbystepscience 4 жыл бұрын
You are welcome
@VIPULSAINI1
@VIPULSAINI1 7 жыл бұрын
Thanks for being a great teacher
@sniperkid389
@sniperkid389 8 жыл бұрын
You are very simple, straight forward and only talks about what is on the screen. Not cluttered at all. Very easy to follow. Like the best one I've seen so far on youtube. I have a question though. I learnt this addition or subtraction way in class and sometimes for it, it's like simultaneous equations and sometimes for example replacing let's say, i1, as (i2+i3). It looks easy and sometimes i get it and other times not but i like your way better. Thumbs up.
@stepbystepscience
@stepbystepscience 8 жыл бұрын
Great and thanks for the comment. I try to get right to the point. You came here for something and I try to give it to you in the most efficient way possible. You can see a listing of all my videos at my website, www.stepbystepscience.com
@Hduey
@Hduey 5 жыл бұрын
omg thanks so much. after hours of searching on KZbin. this helped immensely.
@stepbystepscience
@stepbystepscience 5 жыл бұрын
You are very welcome and thanks for taking the time to comment.
@karimk8551
@karimk8551 6 жыл бұрын
nice and clear explanation. Thanks I2(unes)
@lakshmiduvvuri6035
@lakshmiduvvuri6035 7 жыл бұрын
Thanks so much for simplifying everything for us
@stepbystepscience
@stepbystepscience 7 жыл бұрын
My pleasure! You can see a listing of all my videos at my website, www.stepbystepscience.com
@ihabalbadr1910
@ihabalbadr1910 5 жыл бұрын
Nice teacher and very clear explanation.
@stepbystepscience
@stepbystepscience 5 жыл бұрын
Thanks for saying so.
@rayjasmantas9609
@rayjasmantas9609 5 жыл бұрын
Good description of circuit analysis.
@stepbystepscience
@stepbystepscience 5 жыл бұрын
Thanks, took a while to put together.
@chemist7908
@chemist7908 7 жыл бұрын
brilliant video so easy to understand its just perfect
@karlsingh9076
@karlsingh9076 6 жыл бұрын
Loving the videos about Kirchoff's Laws.
@nehahittoo6080
@nehahittoo6080 7 жыл бұрын
Very helpful video. Thank you so much!
@RobertoRodriguez-bl1xm
@RobertoRodriguez-bl1xm 7 жыл бұрын
excellent work on the explanation. I appreciate your step by step.
@qisyaqistina944
@qisyaqistina944 3 жыл бұрын
thank you so much sir, it helps me lot
@stepbystepscience
@stepbystepscience 3 жыл бұрын
Glad to hear that, you're very welcome.
@sanderdewilde8500
@sanderdewilde8500 9 ай бұрын
thank you you saved me
@stepbystepscience
@stepbystepscience 9 ай бұрын
Glad to hear it, you're welcome!
@Javianmadden
@Javianmadden 4 жыл бұрын
Love these videos💯 learnt alot..thank you💯
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Great and thanks for commenting.
@stutterbox4314
@stutterbox4314 6 жыл бұрын
Thank you so much. This has been troubling me for the whole week and I have finally found the video that as exploded my mind. Thank you again. Never subscribed to a channel this fast before. I can tell your videos will help me through this semester. Thumbs up for every video I watch for now on. Thanks again
@jackyouo66
@jackyouo66 3 жыл бұрын
It is really helpful !!!!
@rajeshpayyanveetil
@rajeshpayyanveetil 6 жыл бұрын
Awesome Videos!! Great explanation. Thanks.
@stepbystepscience
@stepbystepscience 6 жыл бұрын
Awesome comment, thanks and you are very welcome.
@kanagarajpalanivel8271
@kanagarajpalanivel8271 7 жыл бұрын
This very useful and neat explanation to students and teachers as well.please keep it up
@lesegodiphofu3619
@lesegodiphofu3619 6 жыл бұрын
you really helped me ....keep helping us
@stepbystepscience
@stepbystepscience 6 жыл бұрын
New videos every week! Please subscribe.
@anthonyschroeder3611
@anthonyschroeder3611 2 жыл бұрын
at 9:38 solving for I2 when moving the equation to rearrange for I2, shouldnt it be 3.2 I2 = 9.8? therefore I2 = 3.06 amps?
@hamoodbelushi2534
@hamoodbelushi2534 7 жыл бұрын
makes it so simple to understand
@GonzoRibeiro
@GonzoRibeiro 7 жыл бұрын
Very good video. Very helpful thank you and plz keep up the good work.
@stepbystepscience
@stepbystepscience 7 жыл бұрын
Thanks for the comment.
@johnjcb4690
@johnjcb4690 4 жыл бұрын
BEST MAN
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Thanks.
@mihupolo
@mihupolo 2 жыл бұрын
excellent
@stepbystepscience
@stepbystepscience 2 жыл бұрын
Thanks!
@jeffersoneener9071
@jeffersoneener9071 3 жыл бұрын
Thank you so much...........understood very well sir.......
@stepbystepscience
@stepbystepscience 3 жыл бұрын
Glad to hear that, you're very welcome!
@MATTYROCKS1996
@MATTYROCKS1996 8 жыл бұрын
Very good explanation, very easy to follow. thanks.
@stepbystepscience
@stepbystepscience 8 жыл бұрын
+MATTYROCKS1996 You are very welcome, I try to go through everything step by step. In fact, You can link to all my videos at my website: www.stepbystepscience.com
@nataliasmith6721
@nataliasmith6721 3 жыл бұрын
wowee this was great!!!
@stepbystepscience
@stepbystepscience 3 жыл бұрын
Thanks, glad you think so!
@Mustafay3sil
@Mustafay3sil 4 жыл бұрын
I watched another yt channel ı love physics but after two of your videos totally damaged. This channel is not for beginners. Anwyway thanks for helping and for your time.
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Keep watching, I have videos for beginners through university.
@mr.brosio7915
@mr.brosio7915 7 жыл бұрын
Super helpful, thank you!
@lindombazima8401
@lindombazima8401 4 жыл бұрын
min 10:48 does that mean the answer is wrong when its always negative. I get that we chose the wrong direction.. but does that mean the answer is wrong because of the negative sign? If so, should we redo the calculation? just so to get a positive value???
@stepbystepscience
@stepbystepscience 4 жыл бұрын
No it is not the wrong answer, it only means you choose the wrong direction for the current. The current is flowing in the opposite direction with the same magnitude.
@eltayibyousif6349
@eltayibyousif6349 4 жыл бұрын
thankkkkkkkkkkkkkkkkks alot man finally i did it right
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Excellent and thanks for the comment.
@nikolaynetsov6529
@nikolaynetsov6529 4 жыл бұрын
I thing I2 must be equal -2.3A because we transfer 4.2 in the other side and It becomes -4.2. So we must divide 9.8/-4.2. Can you tell me where is my mistake? I understand almost everything except the math part. Could you also recommend me some video which will help me with that problem? Also why you chose to find I1 in loop1? Why we don't find I2 in loop1? Great video and you explain very well.
@BINAYKUMAR-bs6ev
@BINAYKUMAR-bs6ev 6 жыл бұрын
Sir..how do we recognise that in a particular question we need to consider the outer loop as well?
@everything_strength
@everything_strength 7 жыл бұрын
How do we know when to ignore a 3rd loop around the outside?
@avanishmeedimale2618
@avanishmeedimale2618 5 жыл бұрын
i watched this video series like 10 times considering how quick i forget things XD
@stepbystepscience
@stepbystepscience 5 жыл бұрын
That is a lot of times, thanks for watching and commenting.
@jonelbabano304
@jonelbabano304 7 жыл бұрын
Very conducive. Thank you.
@lislehill3198
@lislehill3198 6 жыл бұрын
Fantastic video! thank you so much!!!
@stepbystepscience
@stepbystepscience 6 жыл бұрын
You are very welcome and thanks for commenting.
@prabalsharma9199
@prabalsharma9199 4 жыл бұрын
I finally understand this thank you!!!
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Great, you are very welcome and thanks for commenting.
@jawariajaleel6972
@jawariajaleel6972 2 жыл бұрын
sir what if we take a full loop and a small loop? would that be wrong? because I tried to solve it that way and we have missing variables that way. is it the wromg way or just an inconvinient one?
@stepbystepscience
@stepbystepscience 2 жыл бұрын
You can use any of the loop you want, you just have to have enough and the right ones to get the right number of equations and all of the variables.
@jz2710
@jz2710 4 жыл бұрын
Thanks
@stepbystepscience
@stepbystepscience 4 жыл бұрын
You are very welcome.
@sarahransomm
@sarahransomm 6 жыл бұрын
THANK YOU!
@stepbystepscience
@stepbystepscience 6 жыл бұрын
You are very welcome, thanks for commenting.
@josegalvan1340
@josegalvan1340 7 жыл бұрын
You are great, man. Really appreciate the help!
@medinecharyyeva9313
@medinecharyyeva9313 4 жыл бұрын
how do we know which way to start the loop from? for L2 you started from N1 but then i started from N2. Is there a difference?
@stepbystepscience
@stepbystepscience 4 жыл бұрын
It does not matter where you start.
@letsgrow_together
@letsgrow_together 8 жыл бұрын
awesome video
@stepbystepscience
@stepbystepscience 8 жыл бұрын
Thanks for the comment. You can see a listing of all my videos from my website, www.stepbystepscience.com
@johnlloydmartinez135
@johnlloydmartinez135 3 жыл бұрын
Thankyouuu thankyouuuuu
@stepbystepscience
@stepbystepscience 3 жыл бұрын
You're very welcome 😊
@takshaykumar6965
@takshaykumar6965 6 жыл бұрын
Thanks you sir you are great
@glendanightingale9232
@glendanightingale9232 5 жыл бұрын
At 9.20 in example 2 you add 3.2 to both sides. How did you get 4.2 ?? would it not be 3.2?? where did the 1 come from. Thanks.
@stepbystepscience
@stepbystepscience 5 жыл бұрын
Good question...on left side of the equation there is already I2 which is really 1I2...and 1I2 + 3.2I2 = 4.2I2. Does that help?
@glendanightingale9232
@glendanightingale9232 5 жыл бұрын
@@stepbystepscience many thanks for the simple explanation. I have forgotten my algebra 65yrs young starting to forget it seems.
@glendanightingale9232
@glendanightingale9232 5 жыл бұрын
@@stepbystepscience Understand many thanks.
@elham1822
@elham1822 8 жыл бұрын
Thank you so much. This helped a lot :)
@stepbystepscience
@stepbystepscience 8 жыл бұрын
+Elham Mohammed Great, thanks for the comment. You can link to all my videos at my website: www.stepbystepscience.com
@Matt-xn1cq
@Matt-xn1cq 7 жыл бұрын
I have a Kirchoff Problem that I am struggling to solve, if I send the problem to you could you help find the answer? It would be much appreciated!
@manojkumarsubramaniam7122
@manojkumarsubramaniam7122 8 жыл бұрын
Thanks for the video bro It helps
@stepbystepscience
@stepbystepscience 8 жыл бұрын
Thanks for the comment. You can see a listing of all my videos at my website, www.stepbystepscience.com
@MaxRollison
@MaxRollison 4 жыл бұрын
Ahh ok. I was originally thinking the Voltage source would change like a resistor when going against the current. Hopefully I got it now
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Great
@nickxd3776
@nickxd3776 5 жыл бұрын
if we choose the wrong direction of the current does it mean we have wrong answer?
@stepbystepscience
@stepbystepscience 5 жыл бұрын
No, but you will get a negative answer for the current. If get a negative answer for the current then you know you chose the wrong direction for the current.
@HopeMaswanganyi-bz7fo
@HopeMaswanganyi-bz7fo 5 ай бұрын
So if the answers come out negative do i calculate again?
@stepbystepscience
@stepbystepscience 5 ай бұрын
If you talking about the current, no. A negative current means it is actually flowing in the opposite direct to what you choose when you set up thew loops.
@Mike-vi2eo
@Mike-vi2eo 8 жыл бұрын
thank you this helped so much. However my professor required units on everything and i'm now have trouble with what the correct units would be i.e. when you solved for I1 and I2. Other than that great video.
@Mike-vi2eo
@Mike-vi2eo 8 жыл бұрын
+Mike 1 nm i figured out unit thx for video
@stepbystepscience
@stepbystepscience 8 жыл бұрын
+Mike 1 Current is measured in amps. You can see a listing of all my videos at my website, www.stepbystepscience.com
@rolderchenmasilang597
@rolderchenmasilang597 8 жыл бұрын
on 9:53 have you notice that 3.21(i2) become 4.21(i2) on the other side. that means you got the wrong ampere reading
@dolevdo
@dolevdo 7 жыл бұрын
no he is correct
@stepbystepscience
@stepbystepscience 6 жыл бұрын
This is a basic algebra question....The equation is really 1I2 = 9.8 - 3.2I2, but we do not write 1I2 we just write I2. (just like when we write x - squared, we write x^2 not 1x^2. (Although you can write it either way). To solve the equation for I2, you have to add 3.2I2 to both sides of the equation. 3.2I2 + 1I2 = 4.2I2 and the equation becomes 4.2I2 = 9.8. Does that help?
@deadspace4755
@deadspace4755 6 жыл бұрын
What's the name of the required maths/algebra skills to correctly do the calculations/equations? l'm not native English speaker, just needed the name and then l can solve my problem. Thank you Also, if we find negative results and not change the direction, will it be considered correct in a test? Perhaps it depends on the one giving us the tests, so asking them would be recommended?
@stepbystepscience
@stepbystepscience 6 жыл бұрын
Yes, asking them would be recommended, and probably if you are asked the direction of the current flow you should give the opposite direction if you get a negative result. Solving the equations you be algebra and maybe you would call it solving simultaneous equations by elimination.
@deadspace4755
@deadspace4755 6 жыл бұрын
Do you have Thevenin's theorem in your channel? l didn't quite find anything
@stepbystepscience
@stepbystepscience 6 жыл бұрын
Sorry, but no.
@fera5165
@fera5165 6 жыл бұрын
Txs!
@ligman9216
@ligman9216 6 жыл бұрын
+1 respect
@nkelerasodi5382
@nkelerasodi5382 6 жыл бұрын
The nodes on the circuits, do they have to be where the circuit branches or they can be on the corner of the circuit
@stepbystepscience
@stepbystepscience 6 жыл бұрын
Nodes are where wires come together, then can not be on the corners.
@nkelerasodi5382
@nkelerasodi5382 6 жыл бұрын
Thanks a lot
@Adrian-b7p5z
@Adrian-b7p5z 6 жыл бұрын
What if I sub i2 with eq (i2=i1-i3) into the both loop eq? can it be solve with that way?
@nikojames5085
@nikojames5085 5 жыл бұрын
Why did you choose to find I1 in the L1 equation, why that rather then I2?
@scorpion6828
@scorpion6828 6 жыл бұрын
ty
@akmalaqil587
@akmalaqil587 3 жыл бұрын
What if i assume the I3 the opposite way? I found out the calculation is different. Please help me!!😭
@ramez2207
@ramez2207 4 жыл бұрын
How do you assume the direction of the current??
@stepbystepscience
@stepbystepscience 4 жыл бұрын
Choose any direction.
@RaginiStarmaker
@RaginiStarmaker 7 жыл бұрын
Hey your videos our awesome but i want to know that if our current comes neg. So it is correct na we have to only change the direction.... Suppose we have - 0.04 current so we have to change the sign only so our correct ans. Is +0.04..? Plz tell
@stepbystepscience
@stepbystepscience 7 жыл бұрын
If the current comes out negative that means you chose the wrong direction for the current when you set up the problem for applying the voltage law. The current is flowing in the opposite direction.
@ruelshakya15
@ruelshakya15 6 жыл бұрын
does to value of the negative current be equal to the value of current if we calculated it in the correct direction??
@stepbystepscience
@stepbystepscience 6 жыл бұрын
yes.
@belleluze
@belleluze 6 жыл бұрын
I really enjoy the videos and I thank you for your time, but is there a way that you could slow down just a bit, you go through the exercises so fast it's hard to understand. Thanks
@MadSk3eZ
@MadSk3eZ 3 жыл бұрын
9:19 why and how can you add -3.2 I2 to I2 and it equals 4.2 I2 = 9.8?
@toja2981
@toja2981 7 жыл бұрын
hello,I don't understand why in L2 the V(45v) it's negative,can you explain it to me ,please ?
@stepbystepscience
@stepbystepscience 7 жыл бұрын
When you go across a battery from the positive terminal to the negative terminal it is a voltage drop (negative), if you go in the other direction, form negative to positive, then it is a voltage gain (positive). Does that help?
@toja2981
@toja2981 7 жыл бұрын
yes,thank you very much ,you helped me a looot !!!
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