Cells connected in parallel | Electric current | Physics | Khan Academy

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  • Опубліковано 20 січ 2021
  • Let's explore how to calculate the effective emf and internal resistance when cells are connected in parallel. In a parallel connection, the maximum currents provided by cells add up.
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    Created by Mahesh Shenoy

КОМЕНТАРІ • 38

  • @ammarabdulazeez5225
    @ammarabdulazeez5225 Рік тому +13

    Teachers like these bring out the true beauty of theories and concepts. They want their students to dive deep into what is being taught and not study for exams alone. This is from a student who is fed up of the education system he is in. May The Almighty God shower lots and lots of blessings on teachers like these ✨

  • @radhikapeddinti9264
    @radhikapeddinti9264 11 місяців тому +15

    Learning is not for getting seats in IIT or cracking jee it's for understanding the nature of earth 🌎 our universe I wish evry teacher could be like this teachers like him makes every student in the class a leader of this world 👑 there will be not a single slow learner in the class every one falls in love 💕 with physics .

    • @Anxh007
      @Anxh007 10 місяців тому +1

      learning is for money bet you will not learn if you did not get any money in return

    • @krishnamani4456
      @krishnamani4456 9 місяців тому +2

      ​@@Anxh007with your logic , the world wouldn't have the technology it currently has . There are countless people who enjoy educating themselves and learning new stuff . 😊

    • @Anxh007
      @Anxh007 9 місяців тому

      @@krishnamani4456 how? People who educate get money

    • @krishnamani4456
      @krishnamani4456 9 місяців тому +3

      @@Anxh007 I was referring to how the civilizations developed technologies and invented things which made our lives simpler, back in the primal time how do you think we made advancements , it was due to the curiosity of humans .

    • @krishnamani4456
      @krishnamani4456 9 місяців тому +3

      @@Anxh007 My grandfather is 73 years old and everyday he spares 2-3 hours learning something new in Physics ( he was a Prof at an esteemed University) , he is retired and leading a happy life but his love for physics is still alive and he is continuing to gain knowledge. There are things which are beyond money.

  • @prochetaPaul689
    @prochetaPaul689 2 роки тому +9

    He is awesome

  • @sabassrana6768
    @sabassrana6768 2 роки тому +5

    I just really want to know now who taught you to explain this way.Whenever I want to understand the logic behind something I come straight to U sr

  • @ccl6625
    @ccl6625 2 роки тому +8

    So, what will happen if we connect voltage sources having different volages parallel.?

    • @vachan-maker
      @vachan-maker 8 місяців тому

      thats what he said tho...

  • @RiazAhmad-hc3hd
    @RiazAhmad-hc3hd Рік тому +1

    When we connected two or three battery parallely (emf is, say E) with external resistance. How the voltage difference of external resistance is E??
    Thanks forever❤️❤️

  • @BOBO_4869
    @BOBO_4869 3 місяці тому

    Really nice video, thanks a lot. But notice this only is the case when the cell has internal resistance - if it doesn't (in exam questions), the current added up with be the same as if it was connected to only 1 cell, so the degree that the branched current in different cells will decrease more substantially than with internal resistance

  • @patakotisrinivas1918
    @patakotisrinivas1918 Рік тому +1

    Amazing..awesome...explanation...hats off to u r lucid,intuitive lecture...

  • @moratasa9741
    @moratasa9741 3 роки тому +8

    can you please do a video about Conversion of galvanometer into ohmmeter

    • @nvsreddy
      @nvsreddy 2 роки тому

      He already made it.

  • @ThatTechChannel101
    @ThatTechChannel101 Рік тому +2

    But what if the cells have negligible internal resistance?

  • @user-cv5gs3sy9y
    @user-cv5gs3sy9y 2 роки тому +7

    My question is if we have two un identical batteries with no stated internal resistance connected to an external circuit, what will be the net emf?

  • @fartonmebigi2279
    @fartonmebigi2279 2 роки тому +1

    jee july 2022 question was asked exactly same

  • @phoenixff3178
    @phoenixff3178 5 місяців тому

    the best

  • @kelvinkhalid4054
    @kelvinkhalid4054 2 роки тому +1

    👍👌

  • @zainyhassanziya9851
    @zainyhassanziya9851 5 місяців тому

    How would you say that the internal resistance is parallel to each other while the voltage difference across them aren’t equal?

  • @jagzey
    @jagzey 7 місяців тому

    what if the cells have negligible internal resistance?

  • @akhandpratap4960
    @akhandpratap4960 3 роки тому +6

    Yu are the best 👍👍👍👍

  • @YTowner07
    @YTowner07 3 роки тому +6

    Khan academy

  • @PrashantYadav-dc1jb
    @PrashantYadav-dc1jb 3 роки тому +1

    👍👍👍

  • @yashdabhade7743
    @yashdabhade7743 3 роки тому +10

    Congratulations sir for getting donation from Elon musk
    Am I right

  • @og_enthusiast
    @og_enthusiast 11 місяців тому +1

    puthhhh , curennttthhh

  • @ayushijha9634
    @ayushijha9634 9 місяців тому

    Why does voltage remains same

  • @gautamthakane6667
    @gautamthakane6667 2 роки тому +4

    Sir series circuit me voltage ki addition hoti hai fir curent ki q nahi?

    • @indianstud4789
      @indianstud4789 2 роки тому +4

      Current also increases with voltage increase in series but since resistance gets added up more in series comparative to the adding of resistance in parallel parallel combination therefore it provides more current....this is similar to the concept of greater current produced by parallel connected resistors despite producing less equivalent voltage than the resistors connected in series.....

    • @aakarshmaurya2265
      @aakarshmaurya2265 2 роки тому

      Resistance bhi to badhta hai chutiye

    • @nvsreddy
      @nvsreddy 2 роки тому +1

      Current will be constant in series. Think of it as conservation of charges.

    • @oreowithurea5018
      @oreowithurea5018 Рік тому

      Take a circuit with two battery attached to each other in circuit, the current that will flow from one terminal to first battery to second terminal of second battery needs to be constant due to conservation of charges, you can't have more or less current through the load as that would mean more or less charges go inside than that come outside, this will burst your circuit.

  • @mukeshjoshi1567
    @mukeshjoshi1567 3 роки тому +2

    Sir plss class 12