Inductors working principle | Current lagging behind voltage in an inductor.
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- Опубликовано: 11 окт 2024
- Inductors , Inductance, current lag and back emf - all explained in one video.
So how does an inductor work? A changing current creates a back EMF due to faradays law of induction.According to lenz law this opposes the incoming current.So current faces an opposition.
All these explained in a detailed way through 3D animations.
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Finally, somebody who can explain inductor's current lag based on the principles of Eletromanectic theory. Excellent explanation!
Arguably the best demonstrated video on inductance out there ! Hats off to you Champ 🏆
That's a huge appreciation! Thanks for your support!
💯💢😝😒
Finally! Somebody who actually understands electromagnetics. Good job.
Here is my another video explaining the current lag in an inductor. A great thanks to all my subscribers for your support. Further sharing and subscription would be really beneficial to make more informational content.
first time I understood inductance. Thank You
Thanks
I 100% sure that this is the best video explanation about inductor
Finally l have met someone who explained it well , Legend 💯
Simple yet best explanation on RUclips.
Best explanation I have ever heard. Thank you sir.
This had everything one can learn about inductor.
Shukriya Bhai
Awesome!! Very good explained:))) Thanks for this video. Regards
This is amazing, keep uploading great videos like this, you are helping a lot of people
Most excellent explanation and visual - thank you
The best video ever, respect. Please would you mind sharing the type of the software you use for such awesome presentations?
Please tell me which animation software uded for making this video.
that was an amazing vedio man.
Thank you. keep working i will look for sure for further amazing vedios.
Thanks the world's best teacher
Bro the World is very large think again ..
1. The collapsing magnetic field is not called "Back EMF" it's just EMF and wants to push a current in the same direction that set it up.
2. Whether there's actually a CURRENT during collapse depends on the existence of a circuit. If you merely open the circuit, you cannot have a current; but in trying to push a current you are going to get a high voltage. This is what causes the spark in an automobile engine; it is the sudden breaking of the circuit by the distributor points (back when engines had such things).
3. In the special case of a superconducting coil, if you short circuit the inductor it will retain its magnetic energy forever. Such "superconducting storage rings" can store an enormous amount of energy and deliver it almost instantly.
Thanks alottt, it was very helpful. Loved the explanation❤👍
One of the best video on Inductor I have ever seen in RUclips. Wonderful animation and Wonderful Explanation. I would like to know more about you! Which software are you using to create these videos?
Thank you very much ! I use blender for animations.
Excellent explanation
Brilliant! Better though to be able to see the animation fully, the subtitles get in the way.
Great effort. Waiting for more videos.super animation
beautifully explained
The world's best teacher
Best explanation i have ever seen
Thanks a lot
Nice video.Thank you 🙏
Awesome explanation🎉
Thank u sir for explanation❤
Very good explanation ❤
When the current to the Inductor is cut off abruptly the Voltage across the Inductor reverses in sign (flips) the current remains continuous but decays like a decay voltage source. That voltage flip is important.
You are great sir.
How back emf oppose current flow (in starting phase)
Is there any conflict between Coil magnetic field and straight wire magnetic field?
Best explanation
Nice video about it. It helps. I just need a little further explaination on the opposite emf when the circuit is open. Why would it go in the same direction with the electrons?
Ok now i slightly understand it since i rewatch it. So you are saying, that since the magnetic field is now decreasing, the emf direction will now be the same with the elctrons, Am i right?
Yes, you are correct.
Except electrons cannot flow from the positive terminal of the battery attracting the negative terminal...
Very nice sir.. 🙏
Inductor can be discharge ?after the energy stored then why the polarity change ?
Dear very good vedio this is..
Thank you, thank you so much 🙏🏻
Thank you sir!
Great explanation and video, well done.
Thanks!
The voltage we draw in our graph is applied voltage or induced emf???
Applied voltage
why does current flow if the voltage difference across the ac source is equals to the voltage source across the inductor(E0sinwt=Ldi/dt...you can see every book use this intital condition) in an pure inductor ac circuit????
In this video, the inductor is connected to a DC power source.
The current faces an opposition due to back emf , whenever there is a disruption in the current flow.Once the current becomes constant, there will be no back emf to oppose it. Hence, there will be a current flow.
But in an AC circuit, the current is continuously changing.Because of this, the back emf will oppose it continuously all the time. So there will be a blockage to current flow.This blockage will increase with increased supply frequency.If the frequency is too high,the current will be blocked completely.
Thanks for the comment!
In a pure inductance without resistance, no current would flow because of the constantly changing voltage (hence current). This is the basis of a transformer that has no load on the secondary; you also have no load on the primary and it might as well just be an open circuit.
loading the secondary prevents the magnetic field from completely opposing the source, and in this manner the load on the secondary is reflected to the primary and there's less opposition.
No purpose is served just putting an inductor in parallel with either an ac or a dc source. An inductor is often placed in *series* with the load as it will oppose sudden changes such as a voltage spike on the mains.
Super animation explanation
Great video
How does polarity affect the flow of current? I wish you had explained that in different ways. Polarity on what plane? The flux direction is affected how?....And according to what change? Noobs like me could use a little more breakdown of topic and reinforcement. Polarity direction and its effect on current flow is still really confusing.
Awesome animation I have ever seen
Thank you very much !
Super da velu 👌
Excellent video
Please tell which software do you use ..
Blender
@@ENGINEERINGANIMATION Highly appreciated your hardwork
superb video❤
thank you
Thank you❤️
Excellent.
Hey dude so it mean current start to pass through coil to another side of battery when the current reach max current or i can say when magnetic field no more expand right. And another question is that when current start to pass through coil cause of magnetic field can no longer expand do it have another magnetic field build up by current after the first max magnetic field collapse. ty
You're correct on the first one.
For the second question, the current produced by the collapsing magnetic field will not generate additional magnetic fields in the inductor.
Thanks for the comment!
@@ENGINEERINGANIMATION no dude I mean the current from generator. What I mean is that is there another magnetic field build up to max after the first one collapsed by another current from generator.
@@ENGINEERINGANIMATION "current produced by the collapsing magnetic field will not generate additional magnetic fields in the inductor."
Incorrect. The inductor has no idea and does not care where or when its magnetism was created. As the magnetic field collapses, it tries to generate a current. IF it succeeds, the current so generated can and MUST generate a magnetic field! It cannot fail to do so. In the extreme example, if you short circuit the inductor with zero resistance wire, the current generated is exactly enough to continue generating the very same magnetic field that created it; in effect, the magnetic field cannot collapse. EVER. This is the basis of the "superconducting storage ring." it is simply a superconducting ring; imagine a million amperes of current in this ring, zero volts! Naturally a very powerful magnetic field. You can tap this energy very suddenly; megawatts from a single storage ring.
www.sciencedirect.com/topics/earth-and-planetary-sciences/magnetic-energy-storage
"The toroid with its induced persistent current will then have to be stored at liquid nitrogen temperatures over a period of several weeks. The current in the toroid is measured at periodic intervals over this time"
www.imagesco.com/articles/superconductors/superconductor-energy-storage-ring.html
Weeks! The current in the inductor maintains its own magnetism. This has implications for electric relays being sluggish to release, solenoids being sluggish to release, things like that.
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..😊
"I need 10 mh with high inductance"
Trick question? That's like asking for three different containers of 1 liter of water, which one contains 1 liter of water? Glass, plastic or metal?
10 millihenries is the inductance. Different watt ratings refer to how much current can you put through it before it gets hot and melts.
"Fixed Inductors 10 mH Shld 20% 87mA 70Ohms"
That inductor has resistance in the wire of 70 ohms. It is rated for up to 87 milliamps. AT 87 milliamps and 70 ohms, you get (E=IR) 6.09 volts. At 6.09 volts and .089 amps, you get 0.529 watts, or about 1/2 watt dissipation (heat).
@@thomasmaughan4798
Thanks dear..⚘😊
من فضلك لماذا لا يستخدم الفيريت كور قلب للمولدات بدل الحديد و ماذا لو استخدم
Thank u sir ...it's so useful ..how inductor voltage leads the source voltage ???
At the instant when the switch is opened, source voltage becomes zero.But in the inductor, the stored energy in the magnetic field induces a voltage in it. Now the inductor has a certain voltage,while the source voltage is 0.
Thanks for the comment!
@@ENGINEERINGANIMATION thank u so much sir
The inductor voltage is generated by a changing magnetic field. When establishing the magnetism, its growth creates a voltage that opposes the applied (source) for a while. The voltage cannot be greater than the source.
When you open the circuit, the magnetic field collapses. It wants to produce a *current*, but it cannot since the circuit is open. Consequently it will produce a high voltage; a very high voltage and will produce a spark at the switch. If instead of just opening the circuit you switch over to a resistor, then you'll have a voltage across the resistor as the magnetic field collapses. The rate of collapse is governed by the current that is generated; if it can generate a strong current then the collapse will be slow because this current that it is generating maintains the magnetic field.
The extreme case is a superconductor. If you short circuit an inductor that has a magnetic field, its attempt to decay the magentism produces exactly the current needed to build or maintain exactly that level of magnetism, so nothing happens. You have stored energy, a LOT of energy, in magnetism.
So nice thanks
Very good
wow very nice
Thank you so much ❤️
excellent
Fentastic
Hello
Please how can I make such a video 📸
Nyc bro
What do you use to create animation
Blender
@@ENGINEERINGANIMATION you do it on your own?
@@zed.6128 Yes . I have been using it for almost an year
@@ENGINEERINGANIMATION Great man, people are multitalented nowadays.
@@zed.6128 Thank you very much.
In dc how current changes its magnitude 2.56
Sir,
Well explained with a clear animation.
One doubt, when the current is changed to maximum value in a dc ckt, the source of current flow is due to dc source plus back emf induced. Right?
I'm glad you liked the video!
Initially the current flow is due to DC source and the induced back emf will oppose it.This opposition stops once the current flow becomes constant.
@@ENGINEERINGANIMATION thank u sir.
Clear.
which software did you use to make this video?
Blender 2.8
Why the inductor slowly storing energy not instantly
Joule thief... Por favor faz um vídeo em 3D.
🙏🏼🇧🇷👍
👌👌👌
Text block covered the pics.
Wow 😳
onde voce faz essas animaçoes
Made using blender
@@ENGINEERINGANIMATION
Onde voce aprendeu qual video voce aprendeu a fazer essas animaçoes eu tenho o blender estalado so que nao sei mexer muito voce usou linquagem payton ?
Just with some tutorials which I found online
Why do we need an inductor in a circuit?
What is the usefulness of an inductor in a circuit.?
In circuits, it is used to filter out high frequency signals. And due to it's ability to store energy, it is used in voltage converters such as buck-boost converters.
How can a dc battery produce inductance???
Inductance occurs in DC circuits,
1)whenever the circuit is switched on and off or
2)If there is a fluctuating current flow.
Can I ask a question
Yeah sure.
Please can you answer this question. Is the speed of light same in all direction . i.e:- I mean that the time taken by light to travel from sun to earth and from earth to sun will be same or not ......
Sun emits photons in the form of light , which reaches earth in 8 minutes and 20 seconds. But earth only reflects the light. A photon looses some amount of its energy when it collides with a matter. So a photon which is collided and reflected from earth's atmosphere should have less energy than before. As a result, there will be a minor decrease in light's speed. So it would take a little more time to return to sun.
But we have learnt that speed of light is constant and it was proved by Michelson Morley with his experiment Beam splitter , laser and 2mirrod
ruclips.net/video/k6gd3bQLiFc/видео.html
@ 3:10 . He says it will face a resistance while returning back. Consider that horizontal mirror as earth and light source as the sun
90 Degrees.
100th comment
Hot damn
👍🇧🇷🙏🏼
👏👏👏
Well now I'm embarrassed this had to be spoon-fed to me.
Still not clear