Electric Potential: Visualizing Voltage with 3D animations
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- čas přidán 2. 06. 2015
- Shows how voltage can be visualized as electric potential energy. Includes topics such as why the voltage is the same everywhere inside a metal conductor.
- Věda a technologie
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Oooo
I only have the languages that my viewers have provided to me. If you would like to provide a translation, please send me an email, and I will email you the subtitle file in English (which includes the timings). You will then be able to edit the file to replace the English with the translation, and then email the file back to me, and I will then upload the translation to my channel. My email address is available in the "about" tab on my home page. Thanks.
@@EugeneKhutoryansky Oooo
@@EugeneKhutoryansky very few people replied to you lol
@@ang1221 tamil is not a small language
using the 3rd dimension to explain potential energy like gravity and being able to flip it upside down to represent positive and negative charge particles. brilliant!
Erik Vanderkolk Thanks for the compliment. I am glad you liked that idea.
Erik Vanderkolk good
True
Those hills and dings, are those actual representation of gravity fields or just metaphors similar to how water flow is frequently used to describe electricity?
Yeah. That's amazing. I could never have have thought of it that way.
They should teach this in schools
It's insane to think that they never teach this. We just start randomly talking about V = IR and other equations.
thats ohms law
i know how you feel. this video is real education
As far as I know it's U = R*I and not V because V is just a value and U is used as formulary, so if you want to say it then say V=Ω*A or U=R*I, please correct me if I'm wrong or I miss something and have a nice day :)
this is much much better than any of the high school physics class i took
Andy the same in morocco ..this explaination in the video is by using the relativity and the spacetime to interper the gravitational force between particles
As a physicist, I must say, these animations are absolutely brilliant, and done mathematically so accurately. Well done! I have never seen such animations done so well before.
Thanks for the compliment.
@AD UNUM TRISTIS Yes, and electrons are definitely almost as big as the entire cross-section of the wire. It's called scaling up. It's done so it would be easier to visualise the concepts and the scaled up details are irrelevant to the concepts shown. Just like how they show Earth orbiting the Sun, it completes a year in a couple of seconds usually. Do you think the concept would be better expressed if the Earth shown orbiting the Sun would take ~365 days to complete a circle? Or that Earth would be shown literally a million times smaller than the Sun? If Sun is shown as around 4cm, how large do you think the Earth will be?
If 9V means that 9 joules of energy is transferred by every coulomb of charge, then if all of this energy carried by the electrical current is transferred into light/thermal energy in the lamp, then how does the electrons have any energy or "pushing force" left to return to the opposite side of the cell?
Any help is appreciated!
@@Random-nq4xj "if all of this energy carried by the electrical current is transferred into light/thermal energy in the lamp" This is wrong that's why, but energy is lost at any resistance even the resistance of kabelmaterial itself. That's why we have to generate energy, these free flowing electrons are essentially an oversatuariation of electrons in the conducting material, we are pushing the electrons along, and Watt is like the pressure of the push.
Oo
I never in my life thought that voltage can be imagined like gravity, this is just amazing. Thank You for these brilliant animations and explanations.
Thanks for the compliment. I am glad you like my explanation and my animations.
In case, you have not already seen them, I also uploaded several other videos recently. As always, for each video that you like, you can help more people find it in their CZcams search engine by clicking the like button, and writing a comment. Lots more videos are coming very soon. Thanks.
Eugene Khutoryansky plz make a video on supersymmetry, or relativity vs quantum mechanic
Eugene Khutoryansky supersymmetry plz. thanks for video.
Minimal action and qft
+Physics Videos by Eugene Khutoryansky please explain the significance of EIGEN VALUES AND VECTORS in applied physics and engineering(especially electrical engg)....
I love your videos 😍.. can I marry them!😅😅
he he just joking.. but really great videos .. which software do you use to create these 3d animations?
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Thanks.
Thanks....then how the subtitle can be remain in downloaded file?
many thanks
Sir where did you get this, curvature information from?? Please tell ..... its really imp
Where is hindi language
How do you prepare these kinds of animations with which program?
I've been doing physics for 2 years and I can do so many equations involving voltage but I still don't know what voltage even is
I can explain if you want
Mani Singh yes please
Same. I'm 24 and I still don't know what voltage is.
Pranav Kulkarni voltage is just the different in amount of volts between two points in space
@@kevinmartinez9917 yes I know the definition. But what is voltage? For example, in heat transfer, heat flows from a region of higher temperature to a lower temperature. So comparing this to current flow, heat is analogous to electric current and the temperature difference is analogous to voltage difference. But we all know what temperature is. But what is voltage?
6:00 I love how the switch slaps the electron aside.
Haha yup
It’s funny
Yes, I love the attention to detail on that one! :)
So glad you're uploading regulary now. Much appreciated.
Dan Albl Yes, I am now making new videos regularly. Many more are on their way. Thanks.
I never understood voltage like I did from this video. Thanks.
Parthasarathy TOTADRI NATHAN Thanks. I am glad that my video was helpful.
same here...
Voltage is much more complex than this. This was just a way to visualise the pd in easiest way
@@someone-en1gg
Could you please explain what voltage is, I have watched many videos and got nothing but more confusing😩😩
@@ayam.5401 Voltage in the easiest summary is what pushes the electrons to flow around the circuit (electricity if you want to call it)
Absolutely brilliant - I could watch your videos all day: Concise, excellent explanations, just the right length, superb animations, clearly understandable speaker, soothing music - fantastic!
+Christian Münker, thanks. I am glad you like my videos.
Eugene, thank you for all these amazing animations. I love you!!
Thank you! I like the speed personally. It gives me a lot of time to digest the information, connect ideas, as well as come up with questions.
I've always known the basics, have made circuit projects etc, but I'm a very visual learner. These visualizations are so perfect and the narration so clear it's like a light turning on in a room that i always organized in the dark. So awesome! These will be my mental picture going forward, great job!
Thanks. Glad to hear that my videos are useful.
much love and appreciation ! I have been trying to visualise this for a while ...
your videos are just awesome !!
As a physics teacher i am using your wonderful animations in my class. The music behind all makes them more attractive and unique as physics is the musics of the universe. Thank you for your good work. when i find proper time i will translate subtitles.
Thanks. I hope your students enjoy my animations. And thanks for the offer to help add subtitles. The people watching the videos will be able to see these subtitles through the following steps:
Click on the gear symbol under the video.
Click on “subtitles.”
Select the language.
Thanks!
i m really really impressed with Eugene's work. it has made the classrooms very interesting.
+Jan Rehman, thanks.
Me too.
I finally get it after 40+ years of trying to understand these fundamentals. You’re a miracle worker!
Glad my video was helpful. Thanks.
Magnificent work Eugene.
Alan Douglas Thanks for the compliment. I am glad you liked it.
if I hv these videos when I'm started my schooling then today definitely i will be a scientist...
now I hv Dip &b.tech in EEE but due to lack of quality in teaching I'm a graduate but no matter inside...
i suffered a lot to to learn bcoz ELECTRICAL ENGINEER is my dream.. it had not happened at right time...
Plz help childs to develop subject
THANKYOU MAAM...
Learnt something new ..Thanks for this video...
If that was new ,how old are you?
This video opened me a whole different viewpoint! Absolutely amazing!
This my favourite channel.......I'd love to learn from here rather than MIT teachers.
Thanks for the compliment.
I never do comments.But your videos compel me to write a comment.Your videos are the great animation ever i have seen.Thank you very much.
Thanks. I am glad you like my videos.
Dude you Bangladeshi ¿
@@jatre5938 racist
@@naveensundar4765 shut up
@@drdrunkenstein8974 ?
Me: Trying to focus
My brain: 0:58 A smiley face!! :D !!1
I've spent so long trying to understand electric potentials this video really helped me visualise it, thank you !!!
I am glad my video was helpful. Thanks.
Thank you for the visual representation of the electrical current. This is what I needed as an EE student to further my comprehension on the subject. Very helpful!
Thanks. I am glad to hear that my video was helpful.
I just came to listen to a little bit of Mozart's night music, but accidentally became an electro physicist.
Oh.
Oh.
In several places "electric potential energy" should be replaced by "electric potential". This way it's incorrect. Voltage is the difference in electric potentials (they are both measured in volts) and not in potential energy, which is measured in joules. You can assign potential to a point in space, but not potential energy, which describes an interaction between more particles.
Zoltan Varga can you help me out? No matter how much I read I'm still having a hard Time distinguishing between potential and potential energy. which in turn is messing up my understanding of voltage and volts.
Electric potential is assigned to a point in space and is measured in Volts. Electric potential energy describes an interaction between two (or more) charged objects and is measured in Joules.
As an analogy, think of potential as your elevation above sea level on a hilly terrain: each point in the area can be characterized by a number (meters for height, or for potential Volts). Voltage is the potential difference between any two points, it corresponds to the elevation difference. To calculate potential energy, you need another charged object that is moved between these two points. The voltage is determined by the potential difference between the two points, but the work done while moving the charge from one point to the other also depends on how much the charge is that you're moving, so it's the product of the voltage and the charge. Like the amount of work you have to do when carrying an object from A to B depends on the elevation difference (voltage) and the mass of the object (charge). I hope this clarifies it.
It actually does a bit. I have a few more questions if you don't mind!
Ok, so a volt is defined as 1 joule per coulomb, correct? So let us say I have a 12v battery. That means there is an electric potential difference between the negative and positive posts of 12V? Does that mean each unit of charge(1 coulomb) has the potential of doing 12 joules worth of work traveling in an external circuit?
My understanding is that voltage is always measured between two points. In the case of a battery, the negative post is used as zero references. Why is that though when the electrons are emanating from the negative post to the positive? It would seem to me that the negative post would have the higher potential, hence the electrons flowing from that end to the positive. Here's an oddball question. Let's say we have a 24v battery. We know it has an electric potential of 24v because we measured between the positive and negative post. Imagine that the negative through some voodoo magic develops 12v of potential( I know it would never happen). So now the 24V battery is actually a 12V battery effectively because the difference between the two posts is 12V. 24-12. So even though one post has 24Vs of potential, 12 V of that gets "canceled" by the opposing 12V, right?
One thing I've never understood is how when a battery is considered dead it still has some sort of potential. I mean I can understand where all the chemicals get used up inside and thus it doesn;t provide any more free electrons. But if that's the case where is this remaining voltage coming from?
Thank you for your time. You're really helping me out!
joules, ergs, volts, Btu, kilocalories, foot-pounds force... all are units of energy and per the Physics Conservation Laws, all can be made equal to each other (e=mc2). They are not units for each branch of physics and all of the equivalencies are not yet discovered. This is what drove Einstein nuts before his death.
@@KillJD , "let us say I have a 12v battery. That means there is an electric potential difference between the negative and positive posts of 12V? Does that mean each unit of charge(1 coulomb) has the potential of doing 12 joules worth of work traveling in an external circuit? "
It means, we have to do 12 joules MORE work to move +1C of charge to + terminal of battery, compared to the work we have do to move +1C charge to - terminal of that battery.
Why? Becoz, + terminal of battery has, (thru electrochemical reactions inside the battery), more + charges, and minus terminal has more - charges, so + terminal has electric field(defined as force on unit + charge) directed outward, and - terminal has electric field directed inward. So if i (an external agent) have to move a +1C charge to + terminal, then i have to work AGAINST that outward electric field there and have to do more work, compared to, if i want to move a +1C charge to - terminal where inward electric field will support me which is why i would do less work.
[// Potential Energy(U): work done to move the charge q from infinity to that point = integration (F.dx=q.E.dx)
Potential (V): work done to move +1C charge from infinity to that point = integration E.dx.
int(F.dx)=U => dU/dx=F,
F=q.E, int(E.dx)=V => dV/dx=E ]
And yes, the same battery of 12V, can be visualised as:
1) The minus terminal has 0V potential, the + terminal has 12V potential
OR
2) The minus terminal has some x volts potential and the + terminal has then, x+12 volts potential.
Both are okay, becoz, both represent, that we hv to do 12 joules/charge MORE work so as to move "forcefully" a charge to plus terminal, than to minus terminal. Or, in other words, a positive charge "naturally" will want to move from plus terminal to minus terminal. I.e., an electron "naturally" will want to move from minus terminal to plus terminal.
Similar to potential defined in gravity force: a ball at a height of h has a potential of mgh, bec i hv to do a work of mgh, against the downward directed gravity force, to move the ball upwards to that height h. And naturally(i.e. due to gravity force) it wants to come down. If there was a negative mass(like negative charged electrons), it would naturally want to go up.
Wow, another home run! Thank you so much, sir!!!
Thank you very much for this great public service. More educators needed like you.
It's so romantic how the positive charges and negative charges always reach out for each other but are eternally separated by the potential blanket :,}
The word is tragic. But if not for this tragedy the universe would not exist.
@@dontaskme9047 disagree and all romance is tragic anyway
Am I the only one still feel interested in these videos after quitting school for over 10 years?
Maybe
Stunning animation - very professionally done.
This is hillarious! Thank you so much :D
As a mathematician, I have great appreciation for your work Eugene. It's a pleasure to watch!
I am more than competent in my field, but my "feeling" for physics is a bit vague, if you know what I mean. Lets just say that I skipped a lot of labs as an undergrad!
I especially like the generous pace that you set, recognizing that we are not all Feynman like in our physics I.Q. ! Thank you very much!
By the way, the animation is superb and the background music is classy!
Thanks. I am glad that you like my videos.
thank you i can finally understand
This... I never thought about it this way. I think I need to read the whole chapter again lol. Love your videos! They always help me understand better ^^
It's really amazing how you portrayed the concept of electric charges. The visuals were really great.
Thanks.
Nice video, it is noticeable how much you have improved since your beginning on CZcams. By the way, it also amazes me how you manage whatever software you use to create the representation of fields. I wanted to know if you use some kind of scripting for this purpose (since most 3D software includes features to create macro code) or you simply use built-in options to simulate the physical phenomena?
David Flores Thanks. When I first started, I was using a simple 2D animation program. After the first few videos, I upgraded to the 3D animation software. In reply to your question, for many of my animations, I do write my own macros, and this is how I created the electric field lines for my video on Maxwell's Laws. Though, for this particular video on visualizing voltage, I was able to use features already built into the program for showing the visual representation of the electric potential throughout space.
Mr. Eugene this video like others made by you is very important and helpfully. The good Education represents the best away to improve the human being. This little lesson is simple and excellent.
Carlos Loures Thanks for the compliment. I am glad you liked this video and I am glad to hear that you feel that it will be helpful to people in learning this subject. Many more videos are on their way. Thanks.
Thank you so much for these videos , Mr. Eugene. I am trying hard to understand electricity theory. I learn better with pictures, and these are just great. Try to watch one or two each week, and then re-watch them.
Thank you for existing. Some of us learn visually and can make more sense of things while watching such visuals and listening. You're fking amazing!
love the amount of video's you've been uploading!
Raul Wolters Thanks. And lots more videos are on their way.
Absolutely in love with all of your videos! I'm very happy to see that now you are posting more often!
Just out of curiosity, what did you study in university and how far did you carry out with it? (doctorate maybe?)
absolutely fantastic. Highly thought provoking
What a gift to humanity! Thank you Eugene
Thanks for the compliment.
It is because the convention. Thanks Benjamin Franklin.
Current is not the flow of electrons. Electrons actually flow very slowly in a conductor due to Brownian motion at around 4 cm/hr on average in a DC circuit. Electrical current is the flow of energy being transferred from one electron field to adjacent electron fields... this energy transfer can flow at near light speed due to the minimal mass and movement distance of electrons. At higher voltages and frequencies this opposition to current flow causes the flow to move toward the outer skin of the conductor since there are fewer particles near the edges (and no particles outside the edges so relatively no collisions) there are fewer field collisions between particle fields, so current flows with less resistance which is why we transmit power at higher voltages.
Hi, "Electrical current is the flow of energy being transferred from one electron field to adjacent electron fields" said. Do you have any source to clarify energy flow? i could not find it
Read any standard physics book like Resnick Halliday Krane or Griffiths
Exactlyyyyyyyy!! the "flow of electrons like the flow of water" is such a misleading analogy. To understand voltage from higher level to lower is still ok.
So electricty flows on the outside of the wire or inside the wire?
@@charlespearl2793 that depends upon the frequency and voltage. If you look at high voltage lines at night, especially when it is humid, you can hear and see the sparks jumping off the line. That is also how radio works.
Brilliant explanation! Even the use of Mozart songs for giving Mozart effect to help in learning was also ingenious.
Oh wow, I love that metaphor of the positive and negative charges having a reverse perspective on attraction--that would be an interesting analogy for gravity and "anti-gravity"
Voltage isn’t potential energy, since it doesn’t depend on the ‘test charge’, it is only called “electric potential”.
João Barbosa Joules
@João Barbosa The difference between potential energy and electric potential is similar to the difference between distance and speed. Voltage is joule per coulomb and speed is meter per second. Yes, speed is technically distance, but it's not the entire distance, it's a portion of the distance that was measured in 1 second. Likewise, voltage is technically potential energy but it is not the entire potential energy of ALL charged particles, it's the potential energy in 1 coulomb of charged particles. So yes, you can say voltage is the potential energy but you must specify that it's measured in 1 coulomb of charged particles just like speed is technically meters but it's not ALL meters measured, it's those meters that were measured in 1 second. It's an important distinction, especially when you're a beginner.
No, it's referred to as Potential Difference
@@3ATIVE It's technically the same thing, just from another point of view.
*V = phi1 - phi2,* where phi - electric potential, V - voltage.
However, *V = W/q,* where W - work, q - charge.
How do these relate? Well, *W = PE1 - PE2,* where PE - potential energy. Next, *phi = PE/q.* So,
*V = W/q = (PE1 - PE2)/q = phi1 - phi2.*
I think voltage is the change in electric potential, which is then your net PE. Which is confusing because electric potential is measured in volts yet it isn't voltage.
May i suggest you include a video on sampling theory in electrical engineering - Nyquist criterion, continuous / discrete signals, signal regeneration ... and maybe some related mathematics ?
Is that all?
watched this video 7 times and I am now a genius. great job . first time I have gotten to actually see the flow of voltage.I have been an electrician for over 25 years. Sending this link to all my co-workers.
Thanks for the compliment and thanks for sending the link to your co-workers. I hope they like it as much as you did.
Wow, this is amazing! Thank you for one more great video!
Theenerd ジェームズ Thanks. I am glad you liked it.
Could you explain positive particle either cannot move or can move in the opposite direction?
I am still confused with them.
The positive particles in a metal are in the nuclei of the atoms, and they therefore do not move around.
Physics Videos by Eugene Khutoryansky Thank you for answering my question. However, what does it mean the last mention in the video that positive particles move the opposite direction?
Prabhakaran R The fact that 20th Century Science and Engineering DID NOT CORRECT the “convention” drives me up the wall to these day!
How hard would that have been?!
But of course, at 72 years of age, I probably should just drop the subject.
01:52
Is it me or that makes no sense? In that animation the particles with the same charge would atract to one another
tofol cano jajaj
its a single point in time, or make the charges immovable
Very well presented! I appreciate how you took short pauses every few moments after explaining a point to allow the viewer to process what you just said before moving on to the next point. Bravo.
Thanks.
Another impressive video. your attention to details were impeccable; I particularly liked the emphasis on the past use of the direction of elecrical current and how it's still in common practice, in spite of our present knowledge, of the movement of electrons. Bravo.
Eugene, if you're interested, I would really love to provide a translation of your videos into my language (italian), so people in my country are able to see them and understand more easily. The problem is, I don't know if it's possible to edit the subtitles.
MadHat Production, I appreciate the offer. You can use the CZcams video editor to add subtitles in other languages for videos that are marked as "Creative Commons." Thanks.
MadHat Production sarebbe davvero fantastico! ci sono anche italiani che seguono!! :)
Il problema è che ho cercato dappertutto, ma a quanto pare non sembra possibile. Esiste una funzione che permette agli utenti di contribuire ai sottotitoli dei video, ma riguarda solo una ristretta fascia di canali (quelli con il CC, creative commons, appunto):
support.google.com/youtube/answer/6054623?hl=en e questo canale non rientra nella lista. L'unica maniera sarebbe di inviargli i file .txt con le traduzioni, ma è un metodo più complicato e non voglio impegnare il suo tempo.
// I've searched anywhere but apparently it isn't possible. There's a tool that lets users contribute to video subtitles, but it addresses only a limited range of channels. The only possibility would be giving him the .txt files with the transcription, but it's complicated and I don't wanna waste his time.
the music is distracting but great video nonetheless
worse it's the most annoying on top of distracting..it's like glass shards in my ears. otherwise great animation and explanation.
Just beyond words!!!! Speechless!
ABSOLUTELY PHENOMENAL!
Good but unbearably slow (I likely have ADD).
then play it in 2x speed ... lol
Better than minutephysics lol.
I can't follow it much, I guess that means I have dementia.
perhaps your brain is faster than mine
You probably just take it at face value, and don't think about all the implications and try to make sense of it all. In the latter case, you need time to order and mentally "cross-check" things.
Been waiting on this for a long time.
OH
Thank You Evet sonra much for your Good Will and efforts.
One of the best videos I have ever seen on CZcams!!
Thanks. I am glad you liked my video.
holy shit, this video genuinely saved my life. i could not understand potential difference for the life of me, the words were already contradictory to their meanings and then they just kind of threw v = ir and things at us without really explaining (or at least in a way i could understand) what 'potential difference' ACTUALLY was, thank you so much for this video
I am glad my video was helpful.
I've been an electrician since my late teens, but this just blew my mind! Very cool!
Thanks.
Oh Mr. Khutoryansky, the way that you visualize the physics of our universe helps me like on one else can.
God Bless you
Glad to hear that my visualizations are helpful. Thanks.
Sir, what's the name of the song?
Good video. The space time of electrics, very clever!
Extraordinary work. Thanks.
Thank you, this was so cool!
An operational amplifier (often op amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.[1] In this configuration, an op amp produces an output potential (relative to circuit ground) that is typically 100,000 times larger than the potential difference between its input terminals. Operational amplifiers had their origins in analog computers, where they were used to perform mathematical operations in linear, non-linear, and frequency-dependent circuits.
The very first concept was gold.
By the way thanks for such high standard simulations and content.
these videos are pure gold.
Thanks for the compliment.
eugene, your channel is phenomenal. I cannot thank you enough for your great videos. Wish you a great day.
Thanks. I am glad you like my videos.
this is beautiful, thank you very much
great video cleared up many of the things I didn't understand.
Mam... I'm from India.....and I want to tell you ....what an excellent narration...of voltage
Such a great way of explaining things! Great effort 👍
Great videos! Thank you!
Animation has substituted pure imagination for today's students. These videos using animation is like moving from mainframes to PC's and to mobiles for computing. My kids from 5th grade and 8 th grade love learning from his videos. They wish they meet him Someday.... We are from India.
I absolutelly love it . You make learning easy
Never thought physics could be visualized . Actually they made it very easy.Thanks a million times
Thanks.
Excelente, gracias por compartir.
Saludos desde El Salvador
This is a beautiful representation of electricity!
Thanks.
such a good model to explain it! but one little thing, the voltage really close to a charge should go to infinity so this model only works outside of the surface of the charges
Fantastic - thank you for your amazing work.
+John Studer Glad you liked it.
Amazing visualization! Hats off to your creative presentation. Makes it so easy to understand for anyone. Keep up the great work.
Thanks.
Daily videos from Amazing Eugene :)
***** Thanks. Glad you like them.
I was struggling with the understand this kind of electric thing before watching this. The video offers me an insight!! Thanks so much!!💖
I am glad my video was helpful.
These are amazing videos. The visualisation is superb and the narrative is crisp and clear. Thanks so much for uploading.
Thanks for the compliment about my videos.
Awesome like always !!!
Marko Stojiljkovic Thanks. I am glad you liked it.
I would like to thank Eugene for all these videos. They are exceptionally good. I teach technology and i do use these videos with my students. They make all the difference in aiding student visualization of concepts apart from being really handy for a teacher, especially for implementing the flipped classroom approach. Keep them coming please and well done!
Thanks. I am glad to hear that my videos are helpful. I am glad that you like them, and I hope your students like them too.
This visual aid makes it a little more understand to warp my mind around something that is invisible and is a natural phenonama.
this was great eugene
I finally got it!!!! Thank you!!!!