Faraday's Law of Induction

A brief introduction to electromagnetic induction, presented by Michael Faraday and Steve Thompson. Suitable for global audiences.

[@kriyaramjuttan9499]

This should have way more views! Thank you

[@A____G]

This was a perfect explanation. I was trying to understand how Helion's fusion reactor was planning to transfer electricity to the grid without a steam turbine. Now I feel like I get it.

[@catwoman7987]

Thank you so much for making this video it was so helpful!

[@agentbrickschannel4523]

This is a fantastic video!! So clear!!!

[@dybydx31]

Amazing Explanation. Keep enlightening us with your knowledge.

[@AlePreludioFinal]

Thank you, Thomas!

[@syasyaas]

Thanks! This deserves way more views.

[@nanduribharathi9124]

The best video to explain Faraday's law........tq

[@Kidult_97]

Thank you so much !🤗

[@urmilakhandave6893]

Great explaination, thanks.

[@IdeasbySuyashDesai]

Awesome Explanation

[@binitayadav7213]

Thank you soooo much🙇‍♀️🙇‍♀️🙇‍♀️

[@cristianpopescu78]

What a great time of scientific Revolution were the 19th Century! Amazing!

[@chihanshungkhashim7268]

Thank you sir,

[@Roa0106]

Thank you 💜

[@maddalavenkatarao7621]

Amazing.

[@short_73]

thank you so much!

[@dinithisahanika7823]

woww...nice explanation

[@kishores99]

nice

[@user-iw9xp7wz2h]

How did Faraday induced electric current in the iron ring and copper wires ? There was no changing flux

[@matthewjessop4095]

Because the voltaic pile generates a DC Circuit when he connected the pile to the coil a change in magnetic flux is observed and therefor the second coil would generate a current but would decrease back to 0 with time. however in modern day transformers (basically the same thing) they are connected to and AC circuit and therefor constantly experience a change in flux due to changing current in circuit.

[@asimkhana5574]

👌👌👌👌

[@beautypaul5871]

keep going

[@harshilkashyap5762]

But how exactly does magnetic field induce electric current in the loop? I know that it does but what’s the physics behind it.

[@ThomasStevensontutor]

A loop of metal wire contains heaps of electrons that are free to move around, and these electrons all have the same negative charge. Charged particles move when they're exposed to an electric or a magnetic field. Since they all have the same charge, a magnetic field makes them all move in the same direction and at the same speed. This is what current is. As for why charged particles respond to magnetic fields, that's because of quantum effects that are beyond my ability to explain right now. :)

[@harshilkashyap5762]

@@ThomasStevensontutor Thanks for the reply! I still have a few questions though. 1. When a static magnetic field is applied to the loop, the electrons should eperience a Lorentz force and move. Why is it that in presence of static magnetic field, a transient current is observed? Why do we need a time varrying magnetic field? 2. You mentioned that the electrons have same charge, but in a metal they experience scattering due to coulombic interactions with metal ions. Due to this the net current is 0 (in absence of E field) even though electrons are moving all the time. When a magentic field is applied, the electrons should experience a force perpendicular to their motion and magnetic field. Since the motion is random, shouldn't the force also cancel out? I have to confess, I have taken classes on magnetism yet still get confused at times!

[@matthewjessop4095]

@@ThomasStevensontutor It is because of the W Z bosons that act as intermediary particles for electromagnetic forces.

[@Sportsman134]

900th like

[@michaellamoreaux4402]

I have discovered that Faraday's law of induction is unintentional disinformation. In the case of a static magnetic field, if a circuit linked by the field expands, thereby increasing the flux linking the circuit, Faraday's law states that the changing flux produces an emf in the circuit. This is false; the changing flux linkage has no effect. There is an emf in the circuit of the same value as predicted by Faraday's law. It is motional emf due to the motion of the conductor of the circuit through the magntic field. Thus, Faraday's law is false. There are also exceptions to Faraday's law, as pointed out in The Feynman Lectures on Physics. Faraday's law is just math, not physics. It is a case of correlation, not causation. Faraday's law encompasses the Maxwell-Faraday law, which is one of Maxwell's equations. That part is true. That is why Faraday's law is like disinformation. It is partially true and partially false.