Biot Savart law (vector form) | Moving charges & magnetism | Khan Academy

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  • Опубліковано 28 січ 2025

КОМЕНТАРІ • 190

  • @hamdimohammed2541
    @hamdimohammed2541 3 роки тому +309

    It's crazy how paid teachers have much lower efficiency in delivering the knowledge than you guys, if I one day become rich I would like to support you guys handsomely!
    Thank you.

  • @shiwamkarn5215
    @shiwamkarn5215 3 роки тому +64

    plz complete total magnetism..my intrest is only alive due to u...huge respect

  • @user-ms3ox7zi5r
    @user-ms3ox7zi5r 3 роки тому +27

    Thank you for this video !! You're an excellent teacher !!

  • @lofimusic18
    @lofimusic18 2 роки тому +8

    i will never over the fact how good his writing is

  • @jerrysakala3651
    @jerrysakala3651 2 роки тому +32

    Clear to understand,even for slow learners. And you handwriting is impeccable. Keep up the good work.❤️

  • @Amritabeautiful
    @Amritabeautiful Рік тому +20

    even the most famous( in India) physicswallah teachers could not explain this. THANK YOU SO MUCH!

    • @funwalamun
      @funwalamun 5 місяців тому +1

      See alakh sir old lecture

    • @Amritabeautiful
      @Amritabeautiful 5 місяців тому

      ​@@funwalamunKaun si video alakh sir ki?

    • @kaustavdutta3448
      @kaustavdutta3448 Місяць тому

      ​​@@Amritabeautifulpurane thumbnails wale

    • @Sa.buj07
      @Sa.buj07 26 днів тому

      Saleem sir ya fir rj sir ki class me chale jao

  • @Shsvt
    @Shsvt 6 місяців тому +2

    His voice accent and teaching feel like heaven

  • @sadhananarendar2992
    @sadhananarendar2992 3 роки тому +14

    Your explanations are awesome 👌. So many concepts in just one video.This kind of study material will get any student interested in the subject. I don't think I have to revise it again. Thank you so much.

    • @bobbobski7291
      @bobbobski7291 Рік тому

      yes they are. but who asked? Im genuinealy curoius

  • @lukeverst3653
    @lukeverst3653 Рік тому +4

    This is exactly what I needed! Thank you! Explained it very well.

  • @wizarddragon6422
    @wizarddragon6422 3 роки тому +32

    Why do we even go to college when there is you guys...

    • @sabinahumagain7816
      @sabinahumagain7816 3 роки тому

      For refreshment🤞

    • @im_vishal07
      @im_vishal07 8 місяців тому

      Literally

    • @Devilhunter69
      @Devilhunter69 6 місяців тому +1

      blud studying this in college? this is highschool physics

    • @rizzwan-42069
      @rizzwan-42069 4 місяці тому +1

      @@Devilhunter69 college tends to deepen what you learn in highschool in my experience. well actually i'm in university but anyway. i'm doing computer science so the physics level is closer to high school level but still bit higher than what i learned in highschool. it uses basically the same material but has more explanation and where the formulas are from and uses more calculus.

    • @TheAnonEye
      @TheAnonEye 2 місяці тому

      @@Devilhunter69dayum, what country??

  • @michaelcannon3946
    @michaelcannon3946 3 місяці тому

    This might be the most clear explanation I have ever received.

  • @landenconner6239
    @landenconner6239 Рік тому +13

    This topic was masterfully explained with the right amount of visuals to help while the diagrams were still simple. Thank you!

  • @PrakashPadhan-w9w
    @PrakashPadhan-w9w 7 днів тому

    Your explanations really helpful for me, i really appreciate it. Keep going

  • @rizzwan-42069
    @rizzwan-42069 4 місяці тому +2

    thank you indian dude coming in a clutch 🤲

  • @chinmayelastname3544
    @chinmayelastname3544 2 роки тому +2

    This is one gem of a video

  • @azimabdulaziz5545
    @azimabdulaziz5545 3 роки тому +3

    Thank you.. May god bless you

  • @anniessi3516
    @anniessi3516 3 роки тому +4

    Thankyou for making learning physics easy as well as interesting💜🙏

  • @celadus_springer_reviews.
    @celadus_springer_reviews. 2 роки тому +2

    so worth the time, keep up the good work :)

  • @Uygʻun-q2c
    @Uygʻun-q2c 2 місяці тому

    best explanation I found all over the internet

  • @mayubrilliantabacusacademy6547
    @mayubrilliantabacusacademy6547 3 роки тому +3

    Aise animation se jaldi samj ata hai sir aap aise video upload karte rahiye...

  • @hind5898
    @hind5898 2 роки тому +1

    okay now this was a life-saver

  • @Emsatacc
    @Emsatacc 10 місяців тому

    Such a talented teacher. Thanks a lot.

  • @jefrinjabez
    @jefrinjabez Рік тому +1

    That handwriting... Damn

  • @ArdaBatinTank
    @ArdaBatinTank Місяць тому

    heyyy it is so good to see you here floatheadphysics!!!!!

  • @eliasgarcia2305
    @eliasgarcia2305 Рік тому

    You are a great teacher, all your videos are just awesome.

  • @jerinsabu9325
    @jerinsabu9325 3 роки тому +10

    Sir ,you are amazing ,
    Please make more contents of physics class 12 🥰🥰

  • @Khyatii_Verma
    @Khyatii_Verma 3 роки тому +4

    this explanation is amazing..unlike 1 hr videos,it saves time and the teaching is too good.

  • @tasneem6427
    @tasneem6427 3 роки тому +2

    ThankYou! ❤️😀

  • @AB-hx8me
    @AB-hx8me 3 роки тому +2

    Love u Mahesh sir❤

  • @mermelada.
    @mermelada. 3 місяці тому

    Hermosa explicación, gracias !

  • @iftekharahmad2564
    @iftekharahmad2564 3 роки тому +9

    Make more videos of chemistry and physics

  • @im_vishal07
    @im_vishal07 8 місяців тому

    What a great visuals used in Khan Academy video ❤

  • @fardinhossain5410
    @fardinhossain5410 2 роки тому +1

    Hey man I’ll just say it, you’re awesome!

  • @sabinahumagain7816
    @sabinahumagain7816 3 роки тому +1

    Thaks for sharing this vdo,it helps a lot

  • @JatinSharma-mc9ms
    @JatinSharma-mc9ms 3 роки тому +1

    i ike the way u teach.. well explained sir.

  • @ayathmiatapattu8729
    @ayathmiatapattu8729 4 місяці тому

    Thank you💐💐

  • @sureshtiwari4575
    @sureshtiwari4575 3 роки тому +2

    Pls Quickly complete this chapter sir 🙏🙏🙏

  • @gustavoteles5994
    @gustavoteles5994 3 роки тому +1

    It helped a lot. Thank u

  • @sterrearentsen1630
    @sterrearentsen1630 3 роки тому +10

    your handwriting

  • @DudimusReviews
    @DudimusReviews Рік тому

    Very clear explanation. Thank you!

  • @fajera2416
    @fajera2416 2 місяці тому

    bro is a lifesaver wallahiii 🤧

  • @cringenatao7158
    @cringenatao7158 2 роки тому

    Thank you, Mahesh, very cool

  • @SOLT__096
    @SOLT__096 7 місяців тому

    Nice video, tnx for the explanation ❤

  • @TwistedKrizZ33
    @TwistedKrizZ33 2 роки тому

    Wow thank you for the simplest explanation i ever seen

  • @shubhamshandilya1814
    @shubhamshandilya1814 2 роки тому +1

    I appreciate it thank you :)

  • @rajatromnath6540
    @rajatromnath6540 24 дні тому

    its really funny to me that i identified him just by his voice 😅😅 (tutor i mean)

  • @rowangoebel-bain3447
    @rowangoebel-bain3447 3 роки тому

    quality through the roof

  • @zinnarulsarkar4192
    @zinnarulsarkar4192 Рік тому

    Feel aa gaya ❤❤

  • @sreenathjohnsonsaysnotolgbtq
    @sreenathjohnsonsaysnotolgbtq 2 роки тому

    Teacher gets ⭐⭐⭐⭐⭐stars

  • @VincentAlesi
    @VincentAlesi Рік тому

    Really nice explanation

  • @user-cc7ks7re3w
    @user-cc7ks7re3w 2 роки тому +5

    Sir one doubt, in the textbook and other sources the vector form of Biot-Savart law has r^(3) but yours is r^(2)... Can you please clear my doubt??

    • @felixwegmuller351
      @felixwegmuller351 2 роки тому +1

      You have to use r^3 if you dont use the unit vector. the guy used unit vectors which is why he uses r^2. for more info you can look at the english wikipedia article about biot-savart

    • @user-cc7ks7re3w
      @user-cc7ks7re3w 2 роки тому

      @@felixwegmuller351 Thank you ☺️

    • @oreowithurea5018
      @oreowithurea5018 2 роки тому

      @@user-cc7ks7re3w the other explained it pretty well, you can either use unit vector in the direction of radius to denote the vector for radius, or just simplify the unit vector which turns out to be
      *r* /r , plug this value instead of unit vector and you'll get the textbook equation

  • @pianadhikary2426
    @pianadhikary2426 3 роки тому +1

    Thanks❤

  • @saskiacarroll9348
    @saskiacarroll9348 2 роки тому

    These videos are really clear and helpful

  • @padmarajpandit6366
    @padmarajpandit6366 3 роки тому +1

    Nice explanation 👍👍👍

  • @shahabahmad1806
    @shahabahmad1806 3 роки тому +1

    thank you

  • @rishabhjain1418
    @rishabhjain1418 5 місяців тому

    I am doing a Master's degree, but still like watching Khan Academy from time to time =)

  • @anishaghosh101
    @anishaghosh101 3 роки тому +101

    U don't say it but u too have different colors for everything 😂(like sal)

    • @tasneem6427
      @tasneem6427 3 роки тому +36

      Imagine the efforts and time he puts into One single video 😳

    • @KhanAcademyIndiaEnglish
      @KhanAcademyIndiaEnglish  3 роки тому +70

      @@tasneem6427 Around 4-8 hours! :)

    • @prithi_.r
      @prithi_.r 3 роки тому +18

      @@KhanAcademyIndiaEnglish 4-8 hours for one single video?🤯😳. That's crazy! Thank you so much ❤

    • @suryanshkhatri7929
      @suryanshkhatri7929 2 роки тому +7

      @@KhanAcademyIndiaEnglish which is why your videos are AWESOME!!

    • @avikasinha5530
      @avikasinha5530 8 місяців тому +1

      ​@@KhanAcademyIndiaEnglish that's so commendable. Thanks a lot for making our learning easier 😊

  • @ayishaayshu8628
    @ayishaayshu8628 2 роки тому

    Acceptable teacher and teaching ♡☆

  • @puneethnaika
    @puneethnaika 2 роки тому

    You teach so nice, please make video for engineering also

  • @jorge-lv3oq
    @jorge-lv3oq 3 роки тому +2

    Great content!!!

  • @wintermelon8268
    @wintermelon8268 9 місяців тому

    THANK YOUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU soo much this is such an amazing explanation

  • @DMahendra-qd5wf
    @DMahendra-qd5wf 3 роки тому

    i like your hand writting
    nice explanation

  • @abdurahmanelias8088
    @abdurahmanelias8088 2 роки тому

    Great explanation wow tnk a lot

  • @krasimirronkov17
    @krasimirronkov17 3 роки тому +3

    Can you make a video explaining capacitors

  • @sakshimadhesiya1406
    @sakshimadhesiya1406 3 роки тому +3

    Nice😎

  • @devanshrocker1349
    @devanshrocker1349 2 роки тому +2

    Watching this before 6 hours before exam (time:-1:54AM) 😀

  • @jonathanstaebell9989
    @jonathanstaebell9989 3 роки тому

    Thanks! Great video!

  • @manasnaidu9560
    @manasnaidu9560 3 роки тому

    Amazing Video....Was very helpful

  • @yanbingzhu2550
    @yanbingzhu2550 2 роки тому +1

    For each tiny segment, do we have to do a vector sum?

  • @ShuhushTalukder
    @ShuhushTalukder Рік тому

    Thanks

  • @nisha-rx4uo
    @nisha-rx4uo 2 роки тому +1

    I pray that i should get a teacher like you wherever i study throughout my life time 😃

  • @babitamohalik3448
    @babitamohalik3448 2 роки тому

    Grt content 😄

  • @hoveroclinton2039
    @hoveroclinton2039 3 роки тому +1

    God bless sir

  • @guillaume6373
    @guillaume6373 2 роки тому

    This was awesome!

  • @arunsanmar6998
    @arunsanmar6998 3 роки тому

    Thank you so much sir

  • @Amanda-le8qe
    @Amanda-le8qe Рік тому

    thank youuuuu

  • @noha3614
    @noha3614 Рік тому

    This is the first video I watched from this channel and it already earned a subscriber!🫡

  • @saisingireddy2359
    @saisingireddy2359 3 роки тому

    Teacher🔥🔥🔥

  • @zaidali2534
    @zaidali2534 3 роки тому

    Excellent explaination

  • @togithabalasoorya1768
    @togithabalasoorya1768 3 роки тому +1

    wawwww man, you are very very talented
    #best teacher I ever had#cler voice#nice explain

  • @crossmindzgaming7998
    @crossmindzgaming7998 Рік тому

    thank youu sirrr

  • @kennethcarlprado1606
    @kennethcarlprado1606 3 роки тому +2

    Aaaa thank uuu 😭😭😭

  • @baltazarkun
    @baltazarkun 3 роки тому +1

    tell me right now! What program are you using to draw?

  • @JamesShakya-ci8du
    @JamesShakya-ci8du Рік тому

    plz tell what device do you use to write such flawlessly ???

  • @newtonsapple631
    @newtonsapple631 2 роки тому

    Sir can you make video on Capacitor RC circut?

  • @allison7612
    @allison7612 2 роки тому

    Isn’t this finding just the magnetic field as it is affected by the length of dl? So to find the total force applied on a single point you would need to do multiple equations? Or should you just use the perpendicular measurement (since it is where force is strongest) for an estimate?

  • @Gowrinaidukanimeraka
    @Gowrinaidukanimeraka 8 місяців тому

    Better use slap rule than right hand Fleming rules .... Arun maheshwari sir though me slap rule you could enjoy this rule than Fleming rule

  • @muskansiddikee2171
    @muskansiddikee2171 3 роки тому +2

    Man I feel so bad that I did not have such great teachers before.

  • @povvi288
    @povvi288 2 роки тому

    Theeeee BEST

  • @dhruvadamle7627
    @dhruvadamle7627 2 роки тому

    by any chance were you born in South India and moved to New-York or California?? Just curious about your accent. Great video by the way it was very very helpful

    • @lijojosef
      @lijojosef Рік тому

      This is Anand Srinivas, reason for Byju’s initial exponential growth. His lectures are still there on Byju’s channel. He’s from Tamil Nadu and a BTech grad from NIT Trichy

  • @kaushikb2819
    @kaushikb2819 3 роки тому +1

    Hey here's a doubt, our NCERT books say idl*r^
    ^3 but u hv written r^2 instead of r^3 so which one's right?

    • @rinzler3202
      @rinzler3202 3 роки тому +2

      hello kaushik rcap can also be said as r vector . r = so it becomes rvector / r^3

    • @hemavathy9806
      @hemavathy9806 3 роки тому +1

      Did you mean by substituting r cap=(r vector/magnitude of r vector)?

    • @rinzler3202
      @rinzler3202 3 роки тому

      @@hemavathy9806 es

    • @hemavathy9806
      @hemavathy9806 3 роки тому

      👍

    • @kaushikb2819
      @kaushikb2819 3 роки тому

      @@rinzler3202 ahh I see...thank you 😀

  • @chetanganachari4882
    @chetanganachari4882 7 місяців тому

    Sir in NCERT it is given that in vector form the distance is r^3 but you mentioned it as r^2...please clarify it

    • @TripuriansYT
      @TripuriansYT 6 місяців тому

      We know r is a unit vector
      So, r^ = r(vector)/ |r|
      Or, r^ = r(vector)/r
      Since, |r| = r
      So, put the value of r^ then you get r³

  • @_rafiaahmad
    @_rafiaahmad 3 роки тому

    God bless you Sir ❤

  • @Gitruv
    @Gitruv 2 місяці тому

    Is it r^2 or r^3 in vector form, i am confused.

  • @Somebofy
    @Somebofy Рік тому

    0:01

  • @saurabhkapse697
    @saurabhkapse697 2 роки тому

    In India we pronounced as it is given in book like biot savart law 😅😅

  • @SparePlayss
    @SparePlayss 3 роки тому +1

    You earned 850 Energy points.
    oh wait.. wrong website

  • @dreamfclover8657
    @dreamfclover8657 2 роки тому

    Beo savar law😳

  • @MaSTeR-JP
    @MaSTeR-JP 3 роки тому

    Extraclear, extraexplained extrasimple

  • @iqraafzal517
    @iqraafzal517 Рік тому

    I appreciate your efforts.
    But you lacked in explaining why magnetic field changes when we change angle. You just explained the effect but skipped the cause...!