Heating effect of current (Hindi)

  Рет қаралды 183,414

Khan Academy India

Khan Academy India

5 жыл бұрын

We will explore what causes things to heat up when electricity runs through them. We will also learn how to calculate the amount of heat produced per second due to electricity.

Пікірлер: 212
@mathsrn7950
@mathsrn7950 3 жыл бұрын
Also In other videos I want this loving voice.
@Alok_srivastava61429
@Alok_srivastava61429 3 жыл бұрын
Yes true
@DJHARMIX
@DJHARMIX 2 жыл бұрын
Yes bro Right
@shubhashishbanerjee4861
@shubhashishbanerjee4861 4 жыл бұрын
OMG ....sir U are great Aap bohot accha samjhate ho..really sir..bohat jyada...bohot bohot bohot jyada acha batate ho...maine abhi yani aaj apka pehla video dekha..to mujhe bohot accha laga maine 1 minute ke andar hi aapke Chanel ko sabscribe kar liya really sir...you are superb , amaging,apic ,etc etc
@PrashantYadav-dc1jb
@PrashantYadav-dc1jb 3 жыл бұрын
Bhai same
@shubhashishbanerjee4861
@shubhashishbanerjee4861 3 жыл бұрын
@@PrashantYadav-dc1jb 😂😂
@govindsinghbisht4589
@govindsinghbisht4589 4 жыл бұрын
Sir aapki explanation bahut achi hai 👌🏻👌🏻🤩🤩
@lxg_souravop2738
@lxg_souravop2738 2 жыл бұрын
This is the very best video I got on yt...... Even he is far more better than the most popular or viewed channel of Yt regarding science..... I got to understand this topic after 1 year.....🙃🙃🙂
@agisnnsks
@agisnnsks 2 жыл бұрын
correct
@user-pd4bx1kd7y
@user-pd4bx1kd7y 2 күн бұрын
Spittin facts
@NUPUR-t3e
@NUPUR-t3e 2 жыл бұрын
The origin of electrical engineering is from micro & nano level mechanical engineering. Random motion, collision, driving force to transfer electrons in ordered motion. Energy dissipation. These two branches shares hardcore brotherhood ❤️.
@najmabano7106
@najmabano7106 4 жыл бұрын
Sir , wire me current flow kr rha ho jiske karan heat bhi generate ho rhi hai to electric energy loss hogi agar us wire ki cooling nentain kre to electric energy ka loss kam kr sakte hai kya
@AbhishekKumar-re5zv
@AbhishekKumar-re5zv 3 жыл бұрын
Brilliant explaiation and also brilliant voice .I love both .thanks Khan acadmy
@zoya9874
@zoya9874 Жыл бұрын
Every time when I get questioned by anything about science then I open KZbin and search this channel cuz I love ur explanation and voice❤😊❤😊
@varshanimme4649
@varshanimme4649 4 жыл бұрын
Best of best trick of learning🤩🤩
@nidhithakur9156
@nidhithakur9156 3 жыл бұрын
Sir your concept is very clear and it is evident from this video
@rc9575
@rc9575 4 жыл бұрын
Sir, please tell me experiment to show joules law of heating
@garimasinghal4977
@garimasinghal4977 3 жыл бұрын
I have a question Do electrons actually collide with atoms as atoms are just clouds of electrons So, when it collide, it will collide with other electrons Isn't it the situation when heat produced?? I 'm confused as if it collide with atom then resistivity of silver must be more as compare to copper as it has large atom and so the nucleus therefore collision must be more and as well as resistivity? Please answer! Confused🤔
@rajaganappathiesshanmugasu3098
@rajaganappathiesshanmugasu3098 3 жыл бұрын
Silver has many free electrons so ..it's conductivity is more
@poliokhurakh2242
@poliokhurakh2242 2 жыл бұрын
Atom is not just just a cloud of electrons, it has protons too which are positive charges so when they collide it produces heat
@paarthagarwal1538
@paarthagarwal1538 2 жыл бұрын
No they collide and increases resistivity so the conductor heats i²rt
@shivansgupta4161
@shivansgupta4161 4 жыл бұрын
You are the best for physics explanation
@vinodmahajan8241
@vinodmahajan8241 4 жыл бұрын
Sir 10 Ampers current, and 100jouls joul half kiya to current pe kya effect hoga
@shagunbisht9169
@shagunbisht9169 3 жыл бұрын
you explained very well in limited time..✌
@Pahadivibez
@Pahadivibez 3 жыл бұрын
Sir filament k across potenyial kese bdega. Potential to current ko bdata hai na
@GreatMarvelousScience
@GreatMarvelousScience 3 жыл бұрын
AMAZING SIR!! YOU ARE THE BEST EXPLANER I KNOW! YOU ARE A SOURCE OF GREAT MOTIVATION FOR ME!!!! THNX. A LOT!
@rosymishra5617
@rosymishra5617 3 жыл бұрын
The way you explain is very satisfactory
@RameshKumar-kf8hl
@RameshKumar-kf8hl 3 жыл бұрын
Your explanation I appreciate
@shivanshagrawal6398
@shivanshagrawal6398 2 жыл бұрын
Such a soothing voice u have
@santoshidevi7108
@santoshidevi7108 3 жыл бұрын
Sir I was trying to calculate heat dissipation of a lithium ion cell having capacity of 3.2Ah and open circuit voltage 3.7V and IR 35 mili Ohm. Heat dissipation - H = VxIxt = 3.7*3.2*1 = 11.84 W Heat dissipation - H = IxIxRxt = 3.2*3.2*(35/1000)*1 = 0.3584 W Mili ohm to Ohm conversion (35/1000)* Can you please suggest me why I am getting different values here. If we have 10 Cell in parallel and 12 in series then the difference will be more. Can you please help me in the same.
@themarvellous
@themarvellous 7 ай бұрын
You really sound like spiderman ❤✨🙌I really love studying with you.
@shibommondal5899
@shibommondal5899 3 жыл бұрын
Sir plz add video of how cells works, cell EMF and Internal resistance of cell.
@sahidurrahman9132
@sahidurrahman9132 2 жыл бұрын
He explains so good
@shivanitamrakar4084
@shivanitamrakar4084 Жыл бұрын
Sir I have a doubt that is it is not necessary that all the electrical energy get converted into heat energy?
@Jiyu2003
@Jiyu2003 4 жыл бұрын
Ram Sir aap 12th class ki video bhi Banaya karo physics aur chemistry ki
@ayushkumar10a97
@ayushkumar10a97 2 жыл бұрын
So trilliant explanation😇 😘😍☺😉😚😚
@samirmulla5858
@samirmulla5858 4 жыл бұрын
Thank you sir for great explanation
@diptisfriends
@diptisfriends Жыл бұрын
Yeah your voice is amazing 😎
@anshitamishra3857
@anshitamishra3857 3 жыл бұрын
Good will bless you sir
@KrishnaKumar-je3zw
@KrishnaKumar-je3zw 5 жыл бұрын
Bhai dil jit liya bhut acha se samjhaya bhai tumne thankuu
@nishantraj1925
@nishantraj1925 4 жыл бұрын
Very good explanation
@SubhashYadav-so6of
@SubhashYadav-so6of 3 жыл бұрын
Nice,, explanation 👌👌🤩
@himansusantoki5854
@himansusantoki5854 3 жыл бұрын
SUPER VIDEO THA SIR...👍👌
@AshishKumar-tc7ju
@AshishKumar-tc7ju 4 жыл бұрын
You explain everything very fluenty i like your videos... I'll share it to my friends
@sushilkumartyagi2583
@sushilkumartyagi2583 3 жыл бұрын
The thing I like The VR mode👌
@Deepakbaghel418
@Deepakbaghel418 4 жыл бұрын
Sir, one formula is showing that heat produced is directly proportional to resistance and one is showing that it is inversely proportional. Plz explain this
@jasleenkaur4503
@jasleenkaur4503 4 жыл бұрын
I don't know if my answer is correct or not as I am also a 10th student..Here it goes: *Mathematically* As the formulas tell: P=I²R P=V²/R We can say : I²R=V²/R I²R²=V² (IR)²=V² This means it holds true for ohm's law too and also for V=IR(as shown in video) The simple explanation is: *Physics* Since P=VI This seems that power isn't dependent on R at all .. From ohms law we know- V=IR if temperature is constant .. R=V/I (where R is constant) using Ohm's law Then in V²/R, R is constant we say power is directly proportional to V², 1/R is proportionality constant..In I²R , R is constant , so power is directly proportional to I² and R is constant . Hope it helps..:)
@ritvikarora18
@ritvikarora18 2 жыл бұрын
Cool explanation I got my answer
@ashusharmax-c5755
@ashusharmax-c5755 2 жыл бұрын
Nice explained... 👍
@sahil-um8bf
@sahil-um8bf 4 жыл бұрын
Thankyou very much sir
@taniasharma819
@taniasharma819 3 жыл бұрын
Awesome video sir😍😍
@baisnodhariyadav1881
@baisnodhariyadav1881 Жыл бұрын
Sir electron flow karta hai to lagtar bahte se wire thik kyo nahi hota
@mirzeeshan6861
@mirzeeshan6861 3 жыл бұрын
Such a fabulous channel for learning 😍😍😍 ...wow yr amazing ...kya experience hai..😲
@Shinguku3574
@Shinguku3574 3 жыл бұрын
Sister kiya ye sir ne 5th chapter (heat) karwaya hae?? If yes can you please send me the link......🙏
@mokshsoni1018
@mokshsoni1018 2 жыл бұрын
Not bad teaching sir thanks
@aadishjain3041
@aadishjain3041 3 жыл бұрын
Very amazing
@vipinchandra7785
@vipinchandra7785 3 жыл бұрын
Thank you sir😊
@dibakarchakrabarty7717
@dibakarchakrabarty7717 4 жыл бұрын
Thanks for video, very easily to understand.
@saddamshingh9985
@saddamshingh9985 4 жыл бұрын
Ram sir thank so much for videos
@saddamshingh9985
@saddamshingh9985 4 жыл бұрын
R
@sunitathapliyal2088
@sunitathapliyal2088 4 жыл бұрын
Good explanation. Why is resistance needed in a circuit? Or what is the function of the resistance... please tell?
@parvinaakhter6518
@parvinaakhter6518 4 жыл бұрын
It is used to adjust (increase or decrease) the flow of electrons i.e current in an electric circuit.
@kirtipatel7075
@kirtipatel7075 3 жыл бұрын
👍
@deepjyoti5610
@deepjyoti5610 4 жыл бұрын
Bhai iska koi zabab nhi 👍👍
@smoke-tt1sr
@smoke-tt1sr 2 жыл бұрын
thanks!
@salehakhan9090
@salehakhan9090 2 жыл бұрын
Thank you sir
@saketkumar
@saketkumar 3 жыл бұрын
Thnx.. Sir🖤
@chaitanyasaket8163
@chaitanyasaket8163 4 жыл бұрын
Very nice video
@animeedits1100
@animeedits1100 3 жыл бұрын
U r the best physics teacher I have ever seen I praise the one who has made u and your voice is really fantastic and magical LOL LOTS OF LOVE❤️❤️❤️❤️ 🙏🤠
@ayushSingh-el5je
@ayushSingh-el5je 4 жыл бұрын
Thanks sir because of you i have more than 90% in an annual exam
@s..9870
@s..9870 3 жыл бұрын
Aapke according atom colloid with electron, but according to chemistry electron to atom ke andr hote h
@pratyushmineplayz2939
@pratyushmineplayz2939 3 жыл бұрын
@@s..9870 electron atom k andar nhi wo energy levels yani shell m hote h aur sabse outermost shell wale electron ko agar thodi si bhi energy mile to wo flow karta h and hence wo collide bhi karta h
@feelphysics1282
@feelphysics1282 Жыл бұрын
SIR IF V IS CONSTT THAN P=V^2/R HOW WE CAN EXPLAIN AS POWER IS INVERSLY VARING WITH RESISTER FOR PARALLEL CIRCUIT?
@feelphysics1282
@feelphysics1282 Жыл бұрын
KEEPIN JOULE HEATING EFFECT IN CONSIDERTIION
@rupesh2814
@rupesh2814 Жыл бұрын
nice voice and explanations
@vedantmankape3024
@vedantmankape3024 3 жыл бұрын
Your voice is very nice sir
@abhijitsingh2908
@abhijitsingh2908 3 жыл бұрын
U r great
@PradeepPal-gm6mt
@PradeepPal-gm6mt 3 жыл бұрын
Kadak
@Shinguku3574
@Shinguku3574 3 жыл бұрын
Brother kiya ye sir ne 5th chapter (heat) karwaya hae?? If yes can you please send me the link.....🙏
@Sangu1237
@Sangu1237 2 жыл бұрын
Tq very much sir
@nazrulnazrul2898
@nazrulnazrul2898 4 жыл бұрын
Sir, H=vit//H=i^2r//H=‌(v^2/r)t..... .........does the jules law depends on resistance? And if it is true then how resistance helps in power dissipation?
@prakashchander7145
@prakashchander7145 2 жыл бұрын
Bro resistance are showing the how much work (Jules )
@nasruddinkhan7682
@nasruddinkhan7682 5 жыл бұрын
Sir aap konsi class ka video upload karte ho
@thepritamrana
@thepritamrana 5 жыл бұрын
Aap Videos kisme banate hai..?
@rajeshmaidamptourism7318
@rajeshmaidamptourism7318 4 жыл бұрын
Veri nice sir
@reddybashau199
@reddybashau199 4 жыл бұрын
Please tell me in Telugu but your explanation is simple
@aasthaaries2231
@aasthaaries2231 3 жыл бұрын
Sir aapki voice acchi hai 🤔🤔 and nice explanation 😋😋
@redroxgaming7982
@redroxgaming7982 3 жыл бұрын
yup
@maltipatel5889
@maltipatel5889 2 жыл бұрын
You look 😍
@gangaprasadyadav6454
@gangaprasadyadav6454 5 жыл бұрын
Sir you are great teacher
@tahuraxb3639
@tahuraxb3639 2 жыл бұрын
why heat is directly proportional to resistance? how can heat be directly proportional to resistance and current at the same time ?
@prakashchandraraut6219
@prakashchandraraut6219 4 жыл бұрын
Thankssss u for teaching wonderful,thnksssss sir🤔😊🤔😊
@Anonymous-ey5fg
@Anonymous-ey5fg 2 жыл бұрын
🙏🙏🙏🙏
@shagunnayak5282
@shagunnayak5282 3 жыл бұрын
super👌
@muslimattitudegarh7112
@muslimattitudegarh7112 2 жыл бұрын
Nice video
@sunitaghazipuriya7853
@sunitaghazipuriya7853 5 жыл бұрын
Sir jii aise karte rahe humlo apko motivate karge apka video ko super sir jii love you 😊😊😆😅
@VIDMALL
@VIDMALL 5 жыл бұрын
Sir I'm Jabra Fan of KhanAcademy vids
@amsupandey3533
@amsupandey3533 3 жыл бұрын
Very good explanation as always
@abdullahrana5993
@abdullahrana5993 4 жыл бұрын
nice
@shadowgamer4031
@shadowgamer4031 3 жыл бұрын
Thanks sir, for explaining the topic
@yagyamohan5901
@yagyamohan5901 4 жыл бұрын
I have a doubt,H=I^2RT andH=V^2t/r . How is it possible that power is proportional to resistance both directly and inversely?
@AbdalBrainery
@AbdalBrainery 4 жыл бұрын
I am also watching this video to solve this problem 😔
@masudurrahman1040
@masudurrahman1040 4 жыл бұрын
First thing H is not power... Secondly it depends on the constant of proportionality. You can write the two things by using a different constant of proportionality
@abbasmehdi2923
@abbasmehdi2923 4 жыл бұрын
Bruh watch previous video of this series i.e. ' graph video of resistance' .....resistance is not the thing which is relating to heat directly or inversly , resistance is a proportionality constant....repeat....its a constant
@shiwamkarn5215
@shiwamkarn5215 2 жыл бұрын
Sir it's my keen request to make video on thermoelectric current(peltier effect ,Thompson effect plz sir please 🥺🥺🥺🥺) i m from nepal 😭😭😭😭😭
@Shashikant504
@Shashikant504 3 жыл бұрын
"Power delivered"P=VI
@kushwahaconcept2.025
@kushwahaconcept2.025 2 жыл бұрын
Super
@muhammedowaiz6421
@muhammedowaiz6421 4 жыл бұрын
how can the electron collide with the atom like electron is a part of an atom right . so how is it possible
@soumyaranjanjhankar6552
@soumyaranjanjhankar6552 4 жыл бұрын
He is talking about the free electrons available in the material, not the bounded one... In a conductor, there are more free electrons, so we have an excellent current flow, but in the case of insulator we have few free electrons
@muhammedowaiz6421
@muhammedowaiz6421 4 жыл бұрын
@@soumyaranjanjhankar6552 u mean when the electrons which are shared from one atom to another?
@soumyaranjanjhankar6552
@soumyaranjanjhankar6552 4 жыл бұрын
No...I mean The electrons which are out of the bondage of nuclear force, i.e. attractive force between the electron and nucleus... Generally, in conductors, the valance electrons very loosely held and they are free from the bondage even at room temperature and hence called free electron
@legenddevil5582
@legenddevil5582 3 жыл бұрын
Sir mujhe ek bahut bada doubt hai
@Ramchanderrrr22
@Ramchanderrrr22 4 жыл бұрын
Good video sir
@BhimKumar-ks4kc
@BhimKumar-ks4kc 4 жыл бұрын
Thanks a lot for your help and support you have great idea of AC.
@fiazzia4344
@fiazzia4344 5 жыл бұрын
LOVE FROM PAKISTAN HMARI JAAN THANKS KHAN BHAI AMAZING
@cpr4ksa
@cpr4ksa 5 жыл бұрын
Why are u saying thank you to ìndia
@fiazzia4344
@fiazzia4344 5 жыл бұрын
@@cpr4ksa jnab india ko ni m iss teacher ko keh ri ho
@akshatkamat6587
@akshatkamat6587 4 жыл бұрын
@fiaz zia this teacher is indian
@techsk6226
@techsk6226 4 жыл бұрын
@@cpr4ksa teacher is not muslim its name is ram
@aeroblaze0001
@aeroblaze0001 4 жыл бұрын
Bhai koi bhi ho kya fark padta hai
@gracytransport5019
@gracytransport5019 5 жыл бұрын
Sir bulb me heat Kya kam aayegi
@pradumansingh7217
@pradumansingh7217 5 жыл бұрын
Bulb me heat energy lights energy me convert ho jata and bulb Glow karta hai
@gloriousera
@gloriousera 5 жыл бұрын
Bhai Jaldi Jaldi videos laao .... Exams aa rhi hai
@aditikumari8967
@aditikumari8967 5 жыл бұрын
👍👍👍
@pramodrathore3066
@pramodrathore3066 4 жыл бұрын
Bestttttttttty👍👍👍
@sohamadak6811
@sohamadak6811 7 ай бұрын
Is this floating head physics?
@samikshamishra184
@samikshamishra184 5 жыл бұрын
Nice explanation it really helps me. Thank you
@a.k2767
@a.k2767 4 жыл бұрын
Sir But the electrone moves through outer cells of atom
@user-cf5si1ig7p
@user-cf5si1ig7p 10 ай бұрын
0:21
@rohtashsingh1398
@rohtashsingh1398 4 жыл бұрын
Sir series me current same kyu hota h
@PINKIKUMARI-sz4qs
@PINKIKUMARI-sz4qs 3 жыл бұрын
Electrons collide with the atoms even when current is not there. So why do we not see heating effect then?
@UNKNOWN-ro7jb
@UNKNOWN-ro7jb 3 жыл бұрын
electrons collides when there is electricity but charge don`t flow thats the reason why there is no heat energy .
@albertgupta21
@albertgupta21 3 жыл бұрын
When there is no current in the conductor very less electrons collide with low kinetic energy so you can't measure heating effect there
@baisnodhariyadav1881
@baisnodhariyadav1881 Жыл бұрын
Joules law ke niyam wala formula wrong hai + divided 4.2 kalori hoga
@Pradipdas-vj2eu
@Pradipdas-vj2eu 3 жыл бұрын
Next level explanation
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