This is a brilliant explanation of why current lags behind voltage in an inductive circuit... Been working around electricity for almost 20 years and didn't quite understand the concept... Now it makes more sense. Thank you.
It's actually interesting how people can work in a field and not understand what they are doing, but doing that nonetheless just because that what they've been taught to do. Makes you wonder if a doctor you're consulting your health knows anything about medicine or just reciting diagnostic procedures poured into his head during medical studies. You can bet, that in most cases it's the latter and not the former. There are very few professionals who know and understand their craft - most simply do what they were told to do.
The electricity we use is 220 volts potential 50 Hz sine wave. The current vector alternates from opposite sides 50 times a second, so it's known as alternating current. Thank you🌹 for the wonderful presentation.
My goosebumps activated! 🦔 when I understood for the first time in so many years how voltage lag behind current by 90° in pure inductive circuit. Thank you so much, Sir. Please keep uploaded this type of content. It is a humble request.😌
ELI the ICE man. ELI is for Inductors (L) and ICE applies to capacitors (C). The E comes before the L and the I comes after the L. In an Inductor (L) the Voltage (E) leads the current (I).
For us noobs it would've been great (and more concise) if you had defined what EMF was: Electromotive Force, or Electromagnetic Field. It's unfortunate that EMF can be used as an acronym in situations which causes confusion for those of us still learning. Although it might be obvious to you and advanced viewers, the video is targeted at beginners, and so uncertainty remains. I'm presuming "Electromagnetic Field" but if someone could confirm for me which definition of EMF is in play here that be be greatly appreciated!
at 3:36 how can the electric potential at a point have two different values? The voltage source says that it is positive while the back emf says that it is negative.
I'm a bit late but I will comment so someone else who sees it now gets it. Basically at 3:36 the net voltage across the inductor is zero. That is why the current is zero. Those positive and negative values just cancel out so you don't have 'two potentials' at the same point.
Counter-electromotive force (also known as Back EMF) is the electromotive force (voltage) that opposes the change in current which induced it. It is the EMF caused by electromagnetic induction. The most widespread version of Faraday's law states: * The electromotive force around a closed path is equal to the negative of the time rate of change of the magnetic flux enclosed by the path. -Wikipedia
very nice video and thankyou so much for making these type of videos next video: can please make a hardcore video on transformer properties like inductance to turns, wire thickness, magnetic permeability of core(both iron and ferrite core) and core size please
Let's say we have point a on the left side of the inductor, and point b on the right side of the inductor. What comes out of the inductor towards point b? If DC can pass through the inductor towards point b but AC can't, does that mean that the inductor works as a door stop for AC? Anyone?
I believe that counter EMF is shown to be at maximum when the slope is at max: perpendicular to the time axis. The sine wave is the graph of the current (charge flow): when it's zero both voltages are at their maximum
A terra está em uma espiral, onde a energia gera o que nós chamamos de campo gravitacional. O sol e todo sistema imitam o micro. E todas as mente é guiada por essa força invisível. (Isso foi um sonho que tive ontem a noite).
This is an excellent tutorial, the least to say. However, the question arising in many minds is as follows: If the current induced in inductor is opposite and equal to the current due to external AC source, there must be no current flowing through the circuit carrying inductor. Am I right?
Olá o TH-cam tem um recurso que traduz legendas para outros idiomas, se esse vídeo tivesse legenda o TH-cam poderia traduzir e qualquer um poderia entendê-lo. Parabéns pelos vídeos!
Graphics are good but the use of the word 'interesting' at least 3 times in the first minute, doesn't make the process interesting. Just explain the process and let your viewer decide if what they're seeing is interesting or not.
Einstein’s theory of relativity explains the length contraction that causes charges to change their effect on moving bodies. This change from their stationary electric effect we call magnetism. No movement, no contraction, no magnetism.
Dear...which one is more useful as an inductance. ..1watts or 0.5 watts or 0.25watts for the same value of inductor such as 10milihenrey for example! !!? Coz I have a private project n I want to order online ring colored inductor with value 10mh but there r 3 types of 10mh with different watts ... 1- 1w 2-0.5 w 3-0.25 w I need 10 mh with high inductance so which one of these 3 types is a high inductance? Thanks..😊
There are so many things you can use inductors for, Just like Opposites Attract,So Does power and Magnets,Its Magic Because Google or what can the Define it.
Watch again and watch other sources until you understand if you really want to understand ofc. The EMF bit is imo also not very clear in this video and I'm still wrapping my head around it but here goes. You have 3 things. . Electric current . Magnetic field . Electromagnetic frequency waves (EMF) The important bit is, you only have an EMF wave when the current hence the magnetic field CHANGES. When the magnetic field stays the same, there's no EMF wave, only when the magnetic field changes. It's like a ripple in water. A still pond has no ripples, only when the water surface changes by throwing a stone in it, you have waves. When the magnetic field is maxed out, the voltage is zero because it has worked through the resistance and there is no EMF wave because the magnetic field isn't changing. Anybody, correct me if I'm wrong.
@@MoneylessWorld well I would say 90% of that is incomplete and wrong mostly , I dont have time right now ( tomo is my exam ) , but one thing EMF is not electro magnetic frequency waves , oh my god how can you be so wrong , EMF is electro Motive force
@@zhinkunakur4751 Well ty for pointing that out. I don't know much about electricity and circuits but I did took interest in electromagnetic (EM) radiation or EM waves or EM fields. A wave has a frequency so in my mind all of that ended up as electromagnetic frequencies :) I then went ahead to explain the phenomenon of EM radiation how I understand it. In the context of this video EMF stands for EM force or Volts indeed, you're correct about that.
This is a brilliant explanation of why current lags behind voltage in an inductive circuit... Been working around electricity for almost 20 years and didn't quite understand the concept... Now it makes more sense. Thank you.
It's actually interesting how people can work in a field and not understand what they are doing, but doing that nonetheless just because that what they've been taught to do. Makes you wonder if a doctor you're consulting your health knows anything about medicine or just reciting diagnostic procedures poured into his head during medical studies.
You can bet, that in most cases it's the latter and not the former.
There are very few professionals who know and understand their craft - most simply do what they were told to do.
@@vaakdemandante8772 You're absolutely right!
The day when this topic will be taught in schools in this way
The number of geniuses will increase
The electricity we use is 220 volts potential 50 Hz sine wave.
The current vector alternates from opposite sides 50 times a second, so it's known as alternating current.
Thank you🌹 for the wonderful presentation.
240 volts
there are like 3 sine waves i think, 3 phase ac and i think they reach further than 220v, 220 is just avg value i believe but i am not sure
@@PinkeySuavo 220V is rms value
@@BigDraco123 ye I forgot the name and i used the 'average' instead
My goosebumps activated! 🦔 when I understood for the first time in so many years how voltage lag behind current by 90° in pure inductive circuit.
Thank you so much, Sir.
Please keep uploaded this type of content. It is a humble request.😌
You electrician?
ELI the ICE man. ELI is for Inductors (L) and ICE applies to capacitors (C). The E comes before the L and the I comes after the L. In an Inductor (L) the Voltage (E) leads the current (I).
except it's current that lags behind voltage
I need a real world example of this. I’m learning this right now and I’m completely lost
This video is so enjoyable! Please keep uploading such video quality.
I like this type of understanding plz make for capacitor and the the all types of electronic components
For us noobs it would've been great (and more concise) if you had defined what EMF was: Electromotive Force, or Electromagnetic Field. It's unfortunate that EMF can be used as an acronym in situations which causes confusion for those of us still learning. Although it might be obvious to you and advanced viewers, the video is targeted at beginners, and so uncertainty remains. I'm presuming "Electromagnetic Field" but if someone could confirm for me which definition of EMF is in play here that be be greatly appreciated!
Love this animation! Stacking (bundling/storing) electrons in magnetic fields. Explained flux perfectly! 😘👌🏻
I think you meant storing energy in magnetic fields. (The electrons themselves stay in the wires.) And yes, extremely fascinating!
it is very helpfull knowlege and thank you for all please,continous in other lesson . perfect👌
0:35 was what I was expecting from a good presentation 😊
What a video!! Thanks for explaining it in such an easy way.
at 3:36 how can the electric potential at a point have two different values? The voltage source says that it is positive while the back emf says that it is negative.
Shouldn't it be so?
@@Littleprinceleon why..?
Could you explain for me please?
One source tries to keep it positive while other tries to keep it negative the stronger one win, that's my understanding of it
I'm a bit late but I will comment so someone else who sees it now gets it. Basically at 3:36 the net voltage across the inductor is zero. That is why the current is zero. Those positive and negative values just cancel out so you don't have 'two potentials' at the same point.
Awesome video, Thanks for the video
Wich program or software I can use to make such simulation for my student's
Simply Excellent 👍👍
Thanks
This is an awesome explanation!
Great video. May I ask, What animation software are you using?
amazing animation!!! what software you used for the animation? thank you.
Greatly explained 🥳🥳🙏
Omg thank u sooo much for creating this I finally got it 100% plz keep makin more vidz
Counter-electromotive force (also known as Back EMF) is the electromotive force (voltage) that opposes the change in current which induced it. It is the EMF caused by electromagnetic induction.
The most widespread version of Faraday's law states:
* The electromotive force around a closed path is equal to the negative of the time rate of change of the magnetic flux enclosed by the path.
-Wikipedia
And Electromotive Force is current/charge produced by battery
Great content and easy understanding buddy
does the poles changes if the direction of the coils changes from clockwise into counterclockwise ?
yea, as you can determine with the right - hand rule
We want to know more information on it.
very nice video and
thankyou so much for making these type of videos
next video:
can please make a hardcore video on transformer properties like inductance to turns, wire thickness, magnetic permeability of core(both iron and ferrite core) and core size
please
Excellent animation...
Hi, cloud I use this vedio with my student PLZ? thank u first
Great sir
Please how can I produce such 3D animations?
wonderful video, but how you do this animation? thank you
Can you please do a video like this on capacitors. Thanks!
A practical application of this can be seen in manufacturing processes where a ferrous metal is placed inside the coil and heated rapidly.
Very good and informative this vedio is.
Plz tell me the name of that softwars by which you are making this vedio in 3d animation..
I want help.
Beautiful explanation of a beautiful appliance in physics
I hope you're able to recommence this channel, you've done some good work here.
how to calculate the self-resonance frequency of a coil?
It helped me understand the transformer thanks
We want more videos like this regularly
Vt? How to make inductance don't overlap when micro/nano so smaller size less voltage limit?
Thanks so much for this understandable video
Can you make more video 🥺. I love yours. Easy to understand
how you produce such fascinating videos!!!
I like this topic...connected with you.
Quite literally plugged coil on an AC plug,
Quite a marvelous fireworks show indeed
does that all also work for DC?
I can I install it on an alarm clock?
How do you create the voice?
A human!
@@ricomajestic people still use those these days?
you, sir, are a legend 🙏🏻🙏🏻🙏🏻
How long it takes, create this video? Change from wire to loop and coil is wanderfull!
This video took around 3 weeks.
@@SabinsMathew With what software?
EMFs only present when a magnetic field is generated ... if no current or magnetism is present how do you have EMF (back or forward)?
Great video
great video thank so much guys
play.google.com/store/apps/details?id=com.inductorcalculator
Thank you for explaining it clearly.
it is very helpfull knowlege , thank you .
Let's say we have point a on the left side of the inductor, and point b on the right side of the inductor. What comes out of the inductor towards point b? If DC can pass through the inductor towards point b but AC can't, does that mean that the inductor works as a door stop for AC? Anyone?
Why should not the current go through either way? Half period right, other half left. Here the inductor is just a coiled wire
Superb Animation👌
When supply voltage slope is maximum then Back E.M.F is 0 how?
I believe that counter EMF is shown to be at maximum when the slope is at max: perpendicular to the time axis.
The sine wave is the graph of the current (charge flow): when it's zero both voltages are at their maximum
A terra está em uma espiral, onde a energia gera o que nós chamamos de campo gravitacional.
O sol e todo sistema imitam o micro.
E todas as mente é guiada por essa força invisível.
(Isso foi um sonho que tive ontem a noite).
This is an excellent tutorial, the least to say. However, the question arising in many minds is as follows:
If the current induced in inductor is opposite and equal to the current due to external AC source, there must be no current flowing through the circuit carrying inductor. Am I right?
Yes and that's exactly what happens for a very short time after current starts flowing through the circuit
Nope. For this instance, we don't talk of induced current in the inductor. We talk of induced voltage (emf). This is purely Lenz's law.
Good video
Guys could you tell me what is EMF
Wow excellent 👏
OMG, it's cool explanation..
What about a dc circuit? Still produce an emf?
emf is as explained produced when magnetic field changes, Dc won't change the flux so no.
Olá o TH-cam tem um recurso que traduz legendas para outros idiomas, se esse vídeo tivesse legenda o TH-cam poderia traduzir e qualquer um poderia entendê-lo. Parabéns pelos vídeos!
How come i didnt know about this channel
your video does not specify why the magnetic field grows with more than 1 loop in the inductor, as opposed to cancelling
Yes, have you found an answer to this or can you explain it?
@@yosoy1loco i guess because the so-called 'field lines' are parallel, and thus they add?
IF the wires turn in the SAME DIRECTION....it sums.....opposite turn directions = cancels
@@lunam7249 i see that now, thanks
Fantastic animation 👍
Why It doesn't block when it is subjected to AC??
Wow what an animation 🤟🤟
Gr8 explanation
Please make a video on motor
there is a mistake, in second 57 , the coils was counterclockwise . and in 1min and 2 sec the coils changes into clockwise .
What sofare you use to make video?
Blender
What is emf here?
well Explanation 👍
Graphics are good but the use of the word 'interesting' at least 3 times in the first minute, doesn't make the process interesting. Just explain the process and let your viewer decide if what they're seeing is interesting or not.
I agree with you.
I would rather praise the creator for making this educational video accessible to everyone. It takes some effort.
Spends hours on the visuals. Gets roasted for the script
@@tomc642 I agree with you.
1:40
*Its FARADAY'S LAW or NATURE'S LAW ?*
Why current have magnetic effect?
Einstein’s theory of relativity explains the length contraction that causes charges to change their effect on moving bodies. This change from their stationary electric effect we call magnetism. No movement, no contraction, no magnetism.
Very useful video.
I need more of this topic
ขอบคุณครับสำหลับความรู้😊
Incredible work!
explained perfectly ❤
No idea why current lags after voltage still
Thank you for sharing
Are you partner of learn engineering channel?
I believe he owns both channels
Beautiful animation) thx
Dear...which one is more useful as an inductance. ..1watts or 0.5 watts or 0.25watts for the same value of inductor such as 10milihenrey for example! !!?
Coz I have a private project n I want to order online ring colored inductor with value 10mh but there r 3 types of 10mh with different watts ...
1- 1w
2-0.5 w
3-0.25 w
I need 10 mh with high inductance so which one of these 3 types is a high inductance?
Thanks..😊
its the power wattage....small circuit 0.25 watt is fine.....medium = toaster, high = house electrical
Iron conducts magnetism precious soft metals separate the two energies of magnetism.
Then were is inductor blocking a.c. current??? Current still flows even though it's ideal inductor.
What about AC?
Thanks you very much !🙏
There are so many things you can use inductors for, Just like Opposites Attract,So Does power and Magnets,Its Magic
Because Google or what can the Define it.
Very nice
Means information about back emf
Yeah... I don’t understand.
Watch again and watch other sources until you understand if you really want to understand ofc.
The EMF bit is imo also not very clear in this video and I'm still wrapping my head around it but here goes.
You have 3 things.
. Electric current
. Magnetic field
. Electromagnetic frequency waves (EMF)
The important bit is, you only have an EMF wave when the current hence the magnetic field CHANGES.
When the magnetic field stays the same, there's no EMF wave, only when the magnetic field changes.
It's like a ripple in water. A still pond has no ripples, only when the water surface changes by throwing a stone in it, you have waves.
When the magnetic field is maxed out, the voltage is zero because it has worked through the resistance and there is no EMF wave because the magnetic field isn't changing.
Anybody, correct me if I'm wrong.
@@MoneylessWorld who are you !
@@MoneylessWorld well I would say 90% of that is incomplete and wrong mostly , I dont have time right now ( tomo is my exam ) , but one thing EMF is not electro magnetic frequency waves , oh my god how can you be so wrong , EMF is electro Motive force
@@zhinkunakur4751 Well ty for pointing that out.
I don't know much about electricity and circuits but I did took interest in electromagnetic (EM) radiation or EM waves or EM fields.
A wave has a frequency so in my mind all of that ended up as electromagnetic frequencies :)
I then went ahead to explain the phenomenon of EM radiation how I understand it.
In the context of this video EMF stands for EM force or Volts indeed, you're correct about that.
Love you so much sir
Super ❤
Thanks a lot.
So nice