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Lec 16 | MIT 8.02 Electricity and Magnetism, Spring 2002



Uploaded by: MIT
Video Description:
Electromagnetic Induction
Faraday's Law
Lenz Law
Complete Breakdown of Intuition
Non-Conservative Fields
View the complete course at: http://ocw.mit.edu/8-02S02 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu


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The girl at 2:15 ... ( 10 months ago by sgoo7)
The girl at 2:15 was awesome. mwah to her
28:45 The flux ... ( 9 months ago by elassowipeo12)
28:45 The flux remains the same, no matter what shape the closed loop is; of what consequence is this?
38:55 Solenoid replaces battery, solenoid seems to be placed in not wired into curcuit???
The magnetic field ... ( 9 months ago by cgibbard)
The magnetic field is (almost) all inside the solenoid, and so the magnetic flux through the surface of any closed loop that goes once around the solenoid will be the same, and so the induced current will be the same. However, when he makes a different closed loop, which winds multiple times around the solenoid, the flux through the surface on that loop is different, and the induced current is larger. The solenoid is indeed not wired into the circuit. It's the magnetic flux which counts.
(Hmm, my previous ... ( 9 months ago by cgibbard)
(Hmm, my previous comment didn't seem to post, here's another attempt.) The flux through the attached surface for any loop that goes once around the solenoid is the same, regardless of its shape, but when the loop is wound multiple times around the solenoid, the surface passes multiple times through the solenoid, and the flux and hence the induced current is increased. The solenoid is indeed not wired into the circuit. It's the changing magnetic field it provides which induces a current.
Yeah, a very big ... ( 8 months ago by kermittherabbit)
Yeah, a very big mwah to the pretty princess!!!
It's neat that prof ... ( 8 months ago by jonahansen)
It's neat that prof lewin took the time to review these and correct mistakes - it makes them even better/
His accent sounds ... ( 7 months ago by flashback1234)
His accent sounds dutch. Does somebody know if he is?
my textbook makes ... ( 7 months ago by theGreatSheva)
my textbook makes that mistake...with the non conservative fields... damn book manipulates the circuit to make Kirchoff's laws seem right...a fucking textbook! that i paid a 100 bucks for... -_-
Me brother had this ... ( 7 months ago by decade03)
Me brother had this guy a year ago, said he was a conservative looney meaning he didn't show the full potential, but a great professor
Yeah, he is.. ( 7 months ago by henan8)
Yeah, he is..
cool ( 7 months ago by flashback1234)
cool
I can't wrap my ... ( 6 months ago by 4pharaoh)
I can't wrap my mind around the demonstration given on the last few minutes on this lecture. Does anyone have the details of exactly what was done? It would seem that two separate inputs fed from exactly the same source read completely different voltages, and that can't be the case. I have to assume there is something not seen here
iam glad to know ... ( 6 months ago by crack700)
iam glad to know english, thanks it i can understand his teaching, thnxs MIT.
is the man at 2:30 ... ( 6 months ago by ofey137)
is the man at 2:30 a maths prof maybe?:D
This guy is awesome. ( 3 months ago by SlykeThePhoxenix)
This guy is awesome.
maybe it was ... ( 3 months ago by ernzzz)
maybe it was because the current was not generted by a battery, but thru electromagnetic induction, using a solenoid and a magnet instead... that dont means i actually understand it tho.. kirchoff and complex magnetism is exactly the point i could not advance anymore highschool's electrotechnic class, like 6 years ago; from then on it was all cheating exams lol.. i wonder how could they teach this to 16yo kids like me..
he is morrocan ... ( 3 months ago by nagamora)
he is morrocan hhhhhhh
Hahahaa fucking lol ( 2 months ago by villeelliv)
Hahahaa fucking lol
no he is not he is ... ( 2 months ago by sharksniff)
no he is not he is my idol. Walter lewin has won many nobel awards! he is very smart!
Wish my teacher was ... ( 1 month ago by ratselvolle)
Wish my teacher was like this. I learned Biot Savart with this guy on youtube, not in my classroom...quite sad in a way...
1:30 ( 1 month ago by sharksniff)
1:30
If you click on the ... ( 3 weeks ago by landin048)
If you click on the blue link in the description at the top, it takes you to the lecture page. On the left hand side is a list of resources you can click on and download in PDF files and print out.
OMG its the Doc!!! ... ( 2 weeks ago by einarabelc5)
OMG its the Doc!!! Lmao, this guy reminds me of the definition of an scientist they gave me when I got into college. I bet it has something to do with what he does.
stop grumbling ( 8 hours ago by mysciencenow)
stop grumbling



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