The Big Misconception About Electricity

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19.11.2021
Veritasium

Veritasium

1980325547
13400000
352
21.07.2010
US
Описание видео:

The misconception is that electrons carry potential energy around a complete conducting loop, transferring their energy to the load. This video was sponsored by Caséta by Lutron. Learn more at 🤍Lutron.com/veritasium Further analysis of the large circuit is available here: 🤍ve42.co/bigcircuit Special thanks to Dr Geraint Lewis for bringing up this question in the first place and discussing it with us. Check out his and Dr Chris Ferrie’s new book here: 🤍ve42.co/Universe2021 Special thanks to Dr Robert Olsen for his expertise. He quite literally wrote the book on transmission lines, which you can find here: 🤍ve42.co/Olsen2018 Special thanks to Dr Richard Abbott for running a real-life experiment to test the model. Huge thanks to all of the experts we talked to for this video Dr Karl Berggren, Dr Bruce Hunt, Dr Paul Stanley, Dr Joe Steinmeyer, Ian Sefton, and Dr David G Vallancourt. ▀▀▀ References: A great video about the Poynting vector by the Science Asylum: 🤍youtu.be/C7tQJ42nGno Sefton, I. M. (2002). Understanding electricity and circuits: What the text books don’t tell you. In Science Teachers’ Workshop. 🤍ve42.co/Sefton Feynman, R. P., Leighton, R. B., & Sands, M. (1965). The feynman lectures on physics; vol. Ii, chapter 27. American Journal of Physics, 33(9), 750-752. 🤍ve42.co/Feynman27 Hunt, B. J. (2005). The Maxwellians. Cornell University Press. Müller, R. (2012). A semiquantitative treatment of surface charges in DC circuits. American Journal of Physics, 80(9), 782-788. 🤍ve42.co/Muller2012 Galili, I., & Goihbarg, E. (2005). Energy transfer in electrical circuits: A qualitative account. American journal of physics, 73(2), 141-144. 🤍ve42.co/Galili2004 Deno, D. W. (1976). Transmission line fields. IEEE Transactions on Power Apparatus and Systems, 95(5), 1600-1611. 🤍ve42.co/Deno76 ▀▀▀ Special thanks to Patreon supporters: Luis Felipe, Anton Ragin, Paul Peijzel, S S, Benedikt Heinen, Diffbot, Micah Mangione, Juan Benet, Ruslan Khroma, Richard Sundvall, Lee Redden, Sam Lutfi, MJP, Gnare, Nick DiCandilo, Dave Kircher, Edward Larsen, Burt Humburg, Blake Byers, Dumky, Mike Tung, Evgeny Skvortsov, Meekay, Ismail Öncü Usta, Crated Comments, Anna, Mac Malkawi, Michael Schneider, Oleksii Leonov, Jim Osmun, Tyson McDowell, Ludovic Robillard, Jim buckmaster, fanime96, Ruslan Khroma, Robert Blum, Vincent, Marinus Kuivenhoven, Alfred Wallace, Arjun Chakroborty, Joar Wandborg, Clayton Greenwell, Michael Krugman, Cy 'kkm' K'Nelson,Ron Neal Written by Derek Muller and Petr Lebedev Animation by Mike Radjabov and Ivy Tello Filmed by Derek Muller and Emily Zhang Footage of the sun by Raquel Nuno Edited by Derek Muller Additional video supplied by Getty Images Music from Epidemic Sound Produced by Derek Muller, Petr Lebedev and Emily Zhang

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The Big Misconception About Electricity
The Big Misconception About Electricity
The Big Misconception About Electricity
The Big Misconception About Electricity
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Комментарии пользователей:
Ron Winter
2023-01-31 18:46:58

The answer is F. I don't know. And now I am afraid of electricity because it is witchcraft!!

CTCAC2000
2023-01-31 18:43:42

E

Twitter Free
2023-01-31 18:06:25

This makes sense...or...why would antennas work?

Matusa
2023-01-31 18:06:03

So the only purpose of wires is to bring the field to the desired destination? Nothing else??

Matusa
2023-01-31 18:05:29

So Tesla was right saying he figured out a way to transmit electricity without wires...

Niklas
2023-01-31 17:51:13

So how does the light bulb know its even connected to the battery when it turns on in under one second before the maximum information propagation speed could have reached the whole cable?

Baburao Satardekar
2023-01-31 17:35:14

bHIhgxav9LY&t=11m55s 11:55

sreenesh ps
2023-01-31 16:50:13

None of the above

Bmuzammil
2023-01-31 16:41:54

Wow! 🥸🧐

John Kessel
2023-01-31 16:03:41

Atomic manipulation, whole conductive atoms will shift in one direction under DC current and all these atoms want to naturally revert back to their original position, this creates extra resistance and with dc it limits the transmission distance. AC current flips conductive atoms back and forth with its wave action so the atom points in one direction but when zero volts is present in the ac sign wave it reverts back to its original position but then is forced to point to the opposite way and then back to original then back the other way again, this allows it to have less resistance since the atom is actually in motion at all times back and forth., transformers do not affect this since it’s magnetic fields that induce voltage and magnetic fields from the primary to the secondary set of windings. My theory, could be wrong but until we can watch atoms and how they are affected it’s all theories and definitely not trying to throw water on other theories, maybe somehow they are tied together. I also have a theory on gravity and what zero point energy is.

Dragan Denkovski
2023-01-31 15:41:53

..yes, it does.

Gabriel De Marco
2023-01-31 15:36:36

So, if we were possible to extend a cabe from a orbital station on earth to another station on mars orbit, we would have almost a real time comunication?!

Raghuvirsinh Sodha
2023-01-31 13:06:31

Question from a naive: Electromagnetic fields can travel through space. Unlike light, Why can't electricity travel through space?

william Hart
2023-01-31 12:39:18

E none of above

Piotr Kotynia
2023-01-31 12:15:54

Video is showing energy flow through the fields directly from battery to the bulb - does it mean that there is a HUGE electromagnetic field between me and power plant located 10km away? And in this experiment would it be also 1/c if the electric cables would be initially not connected to the battery? In this scenario, in my opinion, the electric field would need time to propagate in the wires and it would take longer as it would propagate with speed of light, em I right?

YahBabeUmNu
2023-01-31 11:27:26

E

De Kev
2023-01-31 10:03:15

Maxwell and Poynting made life hell for Electrical Engineering students around the world.

arda++
2023-01-31 09:51:27

e

Adam
2023-01-31 08:09:46

To anyone curious about the Lutron Caseta I had the opportunity to use Lutron lighting controls in a High School course and then went and bought the caseta for my room as well as for a gift to family member and I can genuinely say the convivence of the remote is amazing its so nice to be able to control my room lights without leaving bed the switch and control are going strong still after 5 years. For a relatively cheap upgrade I would recommend them because all you have to do is swap the old switch and possibly put in a remodel box and your done it takes 30-45 minutes and you only have to do the rooms your interested in their also great if you have a room with multiple entrances and only 1 switch because the remote is peel and stick and you just added a switch just make sure you have an existing ground. + they are helping to fund this amazeing channel.
Sorry for the long off topic comment but I genuinely wish the casetas or other Lutron smart home items were more common. If anyone has any questions feel free to leave a reply.

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