thank you!! I understood Lenz's in situations where you were changing the field, but situations with magnets were confusing me so much and I couldn't find a guide that went over it in a straightforward way anywhere. you went through multiple situations! thank you!
I was trying to solve these using the Fleming's right hand rule but found out that the direction of motion was the same as direction of the field so the induced current should be zero, but i want to know why the right hand rule doesn't work here.
You had to apply the right hand rule practically so that students may get more clearity about the induced current and induced magnetic field. This gives no understanding to students how to apply all laws. Show in figures the rules then discuss otherwise its a mess.
What is the difference between your example and the example given here: th-cam.com/video/8FXPmYGIOs4/w-d-xo.html. you and that example have opposite direction of current. Why?
He uses the term direction of electricity flow. To be honest I have no idea what the means. I agree with his direction of N and S poles. I talk about the direction of the positive current ( opposite of electron). This is standard definition in all physics textbooks I’ve seen. Maybe his direction stands for direction of electrons. If that’s the case we are saying the same thing.
Thank you so much for the very well and clear explanation. You helped me out of this slump of feeling like I couldn’t understand it to understanding it much much more. Thank you
Thank you. You explained this so well. I have always had an issue with fully understanding how the magnetic fields interact with one another and how the flux is involved.
Thank you for this video ...... It was really hard to find video which explained the concept in short amount of time ........ To which this video has done its job .
I have a question sir. Suppose we have a frictionless system. Magnet and coil are arranged along the x-axis. If we move the magnet towards the coil in such a way that the north pole of the magnet faces the coil, the coil will oppose its motion and will generate the north pole. It will repel magnet. Then the magnet will move away. Then coil will oppose that too. So the magnet will move towards the coil and so on. We gave an initial push and the magnet started moving on its own. If magnet does so it will become self sustaining and will oppose the law of conservation of energy. So will the magnet do this or not and why? Please answer. My knowledge is not able to answer it. I love your lectures by the way. 🥰🥰🥰
Isn't induced field supposed to be opposite when the distance between the magnet and coils get far from each other since the flux is increasing? This seems like opposite from what I have learned.
Why does the galvanometer deflect to the right when pushing the north pole inside, since positive potential is on the left so it seems logical to me that it would point to the left? Btw. Great video.
Beautiful explanation and visualization, generally here it is not very easy to visualize but finally I have understood. Thank you, sir. Kindly be more active w/ yr content.
Why are the magnetic lines coming OUT OF N and going into S? Also, what I want to know is if you had a nail running through the coil and you applied a current to that coil, can you figure out which direction the nail would go? I would think yes, but I also get confused as the right hand rule has you placing your thumb in the direction of CONVENTIONAL current flow, from positive to negative, even though electrons ACTUALLY flow from negative to positive. So this confuses the heck out of me.
There are several conventions in physics that you have to learn. It's confusing at first but stick with and you'll remember them. 1) Magnetic field lines point away from N and towards S 2) For currents, you're right that it's the electrons that move in a conductor but we say that a positive current flows in the opposite direction. 3) Electric field lines point away from positive charges and toward negative charges. For the nail question you have to figure out the direction of the induced current in the nail. Then you'll the field produced by the coil and the field produced by the induced current in the nail. If the fields are in opposite directions it's like having 2 north poles facing each other.
@@PhysicsNinja Awesome. Thanks for response. I got it. Had to re-watch video a couple of times but I understand how to solve for the direction of induced current now. Ok, hopefully last question: to apply that to reality, are we saying the actual flow of electrons will actually be in the opposite direction of the blue arrow I-induced you labeled? If you would be so kind to possibly converse more offline? Please contact me: ryanmarshall13@outlook.com Thanks in advance.
@@ryanmarshall4741 if north pole of magnet is moved towards the coil then according to lenzes law the direction of induced current will be anticlockwise and if south pole is moved towards coil the direction of induced current will be clockwise .Am I right?? Now u tell me that if north pole of magnet is moved away and then south pole is moved away from coil respectively so, what will be induced current direction??
I disagree. You never explained the north & south poles of the two magnets. Compare the poles of the bar magnet with the circular/donut magnet. Moving either magnet back & forth over a wire will keep the magnetic flux/force field static relative to the magnet's position, whereas spinning either magnet will cause the magnetic flux/force lines to move relative to the wire. What happens when you change the orientation of the bar magnet's poles? It's my understanding that to generate voltage the magnetic poles must move perpendicular to the wire.
This does not make sense to me. Here in Norway the thumb is the force which is okay. But how are you able to find the current's direction without knowing the force. Don't you need to know two of the 3 vectors in the hand rule?
Hi, I have a question. if the switch JUST got turned off on the solenoid, what would magnetic field on the solenoid be? it is going to be reduced, but still in the same direction I guess? (not looking at the inducing B yet. just the orignal B).
Hello, I'm stuck with using my right hand because from what I got the force and magnetic field lines are parallel, and I'm sure I'm doing something wrong
It would make it a lot lot simpler if you labeled the ends of the inductor N and S for each case but this was still really good.. Keeping the magnetic flux constant via generating a matching opposing magnetic field is interesting (I guess this would be obeying Newton's third law of motion - I just looked this up)
Plz mention clockwise and anticlockwise direction
thank you!! I understood Lenz's in situations where you were changing the field, but situations with magnets were confusing me so much and I couldn't find a guide that went over it in a straightforward way anywhere. you went through multiple situations! thank you!
Super helpful!! Nothing has helped me understand Lenz's Law until now, thank you so much
You got this Mila!
this is from 6 years ago but is still views this concept from a much more understandable perspective. literally perfect. thanks so much
the right hand rule doesnt make sense
could you help ??
You are better than my professor.... Thank you Ninja!
I was trying to solve these using the Fleming's right hand rule but found out that the direction of motion was the same as direction of the field so the induced current should be zero, but i want to know why the right hand rule doesn't work here.
Was Trying to understand Lenz Law for my exam, could not find anything helpful. But at the exam day, found this video. ThankYou so much!!!
You had to apply the right hand rule practically so that students may get more clearity about the induced current and induced magnetic field. This gives no understanding to students how to apply all laws. Show in figures the rules then discuss otherwise its a mess.
LOL.. i thought that was one of my best videos.
Love this vid. This is exactly what I needed for sat subject
Thank you so much! I have a physics test today and this really helped iron out the wrinkles in my understanding!
spent like 3 hours trying to understand lenz law, and your video just explained it in 11 minutes
Thank you!
What is the difference between your example and the example given here: th-cam.com/video/8FXPmYGIOs4/w-d-xo.html. you and that example have opposite direction of current. Why?
He uses the term direction of electricity flow. To be honest I have no idea what the means. I agree with his direction of N and S poles. I talk about the direction of the positive current ( opposite of electron). This is standard definition in all physics textbooks I’ve seen. Maybe his direction stands for direction of electrons. If that’s the case we are saying the same thing.
Thank you sir ! Was trying to understand this concept from a long time ! Your video helped me a lot !!
The most nice explanation that I found in youtube
Thanks!
thank you for this, quarantine made me learn from youtube and it really helps!
Thank you, amazing video!
Glad you liked it!
My physics sir is so dumb to explain this and says us to do rote memorisation of cases
TRY OUT PHYSICS WALLAH LAKSHYA BATCH
There’s two different directions of current for the same direction of magnetic fields when using right hand rule, I don’t get it?
The direction of the field is not important. It's the direction of the change of the magnetic field that is important.
BEST explanation of right-hand rule. I think you just saved me from my test!
I have been struggling with this for sooo long and you explained it really well
nice name lol
Salman khan physics kya baat h 🤔🤔🤔😳😳😳
THANKS
Thank you so much for the very well and clear explanation. You helped me out of this slump of feeling like I couldn’t understand it to understanding it much much more.
Thank you
You got this Kc!
Thank you. You explained this so well. I have always had an issue with fully understanding how the magnetic fields interact with one another and how the flux is involved.
Thank you for this video ......
It was really hard to find video which explained the concept in short amount of time ........ To which this video has done its job .
Thank you!
excellent demonstration. This is what I have been looking for. Thank you so mucch
The goat of physics
My question is how do you know which way the current is going around the coil in the first place? is it arbitrary?
In the first place there's no current going through the coil.
@@lukakusekovic9185 The current is induced in the coil due to change of magnetic flux by the movement of bar magnet
thank you! understand this law much better and clearer now!
Excellent!
Thanks physics ninja!!
😂❤😂❤ I understood lenz's law after was confused for many times
Tq sir very helpful... From india🇮🇳🇮🇳
I have a question sir.
Suppose we have a frictionless system. Magnet and coil are arranged along the x-axis. If we move the magnet towards the coil in such a way that the north pole of the magnet faces the coil, the coil will oppose its motion and will generate the north pole. It will repel magnet. Then the magnet will move away. Then coil will oppose that too. So the magnet will move towards the coil and so on.
We gave an initial push and the magnet started moving on its own. If magnet does so it will become self sustaining and will oppose the law of conservation of energy.
So will the magnet do this or not and why?
Please answer. My knowledge is not able to answer it.
I love your lectures by the way. 🥰🥰🥰
Wow, Incredibly explained sir
Thank you, This helped a lot!
thanks so much
Isn't induced field supposed to be opposite when the distance between the magnet and coils get far from each other since the flux is increasing? This seems like opposite from what I have learned.
Why does the galvanometer deflect to the right when pushing the north pole inside, since positive potential is on the left so it seems logical to me that it would point to the left?
Btw. Great video.
I dont get your right hand rule
I would explain it to you but I think it’s too late.
You really butchered this topic
Lol, thanks for watching.
Thank you. Explained very well
Thank you
Thanx sir it helps me a lot ,to clear my concept
Glad i was able to help you. Dr. E.
hello can anyone help me understand how to find the direction of delta B please
Beautiful explanation and visualization, generally here it is not very easy to visualize but finally I have understood. Thank you, sir. Kindly be more active w/ yr content.
You're very welcome!
iit
Thank you, I finally get it.
This is the only video that has actually helped me thank you
Thank You so much, this was super helpful
Just the video I was looking for! Thanks
Thank u it was really easy to understand!!
One question sir , how did you determine the direction of field B ?
This is the basic problem he just discussed without applying the rules except saying in words written in books.
Thank you :)
Why are the magnetic lines coming OUT OF N and going into S? Also, what I want to know is if you had a nail running through the coil and you applied a current to that coil, can you figure out which direction the nail would go? I would think yes, but I also get confused as the right hand rule has you placing your thumb in the direction of CONVENTIONAL current flow, from positive to negative, even though electrons ACTUALLY flow from negative to positive. So this confuses the heck out of me.
There are several conventions in physics that you have to learn. It's confusing at first but stick with and you'll remember them. 1) Magnetic field lines point away from N and towards S 2) For currents, you're right that it's the electrons that move in a conductor but we say that a positive current flows in the opposite direction. 3) Electric field lines point away from positive charges and toward negative charges. For the nail question you have to figure out the direction of the induced current in the nail. Then you'll the field produced by the coil and the field produced by the induced current in the nail. If the fields are in opposite directions it's like having 2 north poles facing each other.
@@PhysicsNinja Awesome. Thanks for response. I got it. Had to re-watch video a couple of times but I understand how to solve for the direction of induced current now. Ok, hopefully last question: to apply that to reality, are we saying the actual flow of electrons will actually be in the opposite direction of the blue arrow I-induced you labeled? If you would be so kind to possibly converse more offline? Please contact me: ryanmarshall13@outlook.com Thanks in advance.
@@ryanmarshall4741 if north pole of magnet is moved towards the coil then according to lenzes law the direction of induced current will be anticlockwise and if south pole is moved towards coil the direction of induced current will be clockwise .Am I right?? Now u tell me that if north pole of magnet is moved away and then south pole is moved away from coil respectively so, what will be induced current direction??
Jesus christ this is amazing.
OMG dude, you save my physic course
Very clear explanation.Tq 🙏
Amazing
Thanks!
thank you! this is really helpful!
YOU EXPLAINED IT SO WELL
I disagree. You never explained the north & south poles of the two magnets. Compare the poles of the bar magnet with the circular/donut magnet. Moving either magnet back & forth over a wire will keep the magnetic flux/force field static relative to the magnet's position, whereas spinning either magnet will cause the magnetic flux/force lines to move relative to the wire.
What happens when you change the orientation of the bar magnet's poles? It's my understanding that to generate voltage the magnetic poles must move perpendicular to the wire.
Omg this has helped me so much thank you
I'm so glad!
Great video, thx :))
Hi, I just want to know what will be the positive terminal of the coil??
The N side or S side??, When The North Pole is coming towards the coil
This does not make sense to me. Here in Norway the thumb is the force which is okay. But how are you able to find the current's direction without knowing the force. Don't you need to know two of the 3 vectors in the hand rule?
Hi, I have a question. if the switch JUST got turned off on the solenoid, what would magnetic field on the solenoid be? it is going to be reduced, but still in the same direction I guess? (not looking at the inducing B yet. just the orignal B).
Thanks physics ninja❤️❤️❤️❤️
Hello, I'm stuck with using my right hand because from what I got the force and magnetic field lines are parallel, and I'm sure I'm doing something wrong
Great explanation!!
You cleared up my questions on induced current more than what my physics teacher accomplished in two weeks. Thanks so much, this was a lifesaver!
Great video, I have learned a lot from it
Glad it was helpful!
Is the magnetic field within the coil uniform?
Doesn’t need to be, but it makes calculations a hell of a lot easier.
What would happen if the magnet was perpendicular to the axis of the coil and was moving from point A to point B of the side of the coil?
Sir please use the mic the sound will be better 😊 because explanation is crystal clear
Am just seeing this five yearsnlater i really appreciate it. Finally i understand this thing 💪🏼
Just wondering what does it mean by B is the field lines crossing initially
Thank you! ❤❤
Thank you!!!!!
thank you so much for the video better than any lecturer in my school really saved my ass before alevels
Thank you so much! This video really cleared everything up for me. My teacher taught it a bit differently but I’m sticking to your method👍.
Thanks
Excellent video! Subscribed!
THANK YOU BRUH
It would make it a lot lot simpler if you labeled the ends of the inductor N and S for each case but this was still really good.. Keeping the magnetic flux constant via generating a matching opposing magnetic field is interesting (I guess this would be obeying Newton's third law of motion - I just looked this up)
طالب سادس💔😔
Thank you for explaining it so clearly!
Does anything change if the magnet comes from the other side?
try to make it more understanding bro gobar video
Thank s but it would be better if u would speak a bit louder sir
Thank you very much..it helped a lot!
It's wrong, It is the other way around
very very very good conceptual information! Saving me on building my own tesla coil!!!
this is so helpful
Thanks!
I really appreciate the video. You explained it better than my teacher.
Thanks mam this really helps buddy
Thank you. Very helpful video.
Amazing...I understood the concept really well..
Fully cleared my concept... ☺😊
may wanna increase volume, can barely hear you
how did you know to draw I going downward in the first example?
Hmmm I’m not sure I understand your question. For the coil I just picked one direction to wrap the wire around in a coil. It’s completely arbitrary.