Wheatstone bridge & its logic | Electric current | Physics | Khan Academy
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- Опубликовано: 29 сен 2024
- Wheatstone bridge is a special circuit consisting of 5 resistors. When the resistances in the adjacent arms have the same ratio, no current flows through the middle resistor! This is called a balanced Wheatstone bridge.
It's used in calculating unknown resistances using a meter-bridge set up.
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Created by Mahesh Shenoy
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Can we all agree that this is one of the greatest videos on RUclips? Honestly sir, you deserve a lot of respect because you teach with so much passion and love for the subject and it truly shows in the final product. A well explained video on a somewhat complicated topic. Well Done!
Yes we can!
the video is good, but what about imbalanced bridge
exactly
Agreed!
❤
amazin, you guys are a bit underrated . kudos from Ireland
Such a good and enthusiastic explanation! Thank you so much 💖
The very best wheatstone bridge explanation I have ever seen...
Splendid explanation! Love it.
Can u update the playlist pls..
Thank you so much sir but i have one doubt about how you calculate the volt
thank you sir
This is one hell of an amazing video. Understood it conceptually for the very first time today! Thank you sir!
It is actually
The most enthusiastic teacher I have ever met.. Hats off!!!
Thank you sir❤️❤️
Being a physics lover it is painful that every damn video on this concept on RUclips explains how to solve the problem... Nobody cares what is actually happening in there.
Thank you very much! I never really understood it in class (probably didn't pay enough attention, but it was overly complicated). Now, years later, I felt like looking it up again. Found your video and it really is as simple as that. Great explanation! Thanks
Einstein said “If you can’t explain it to a 6 year old, you don’t understand it well enough yourself”. I would like to thank you for making me feel like a 6 year old again and taking the time to produce these videos.
A big thank you.
I don't often say this, but your videos are amazing and you explain the concepts really clearly.. so thanks a lot! 😀
This guy is born to teach!!!❤
Wow, just wow. This is the most elegant explaination of wheatstone bridge ever. Thanks a lot man.
How this man cleared all my concepts in just 13min, you are a genius man hope to see my good grades pls do pray for me I have to ace my MCAT exam they are hell difficult but not impossible for sure 🤧😕
best explanation in youtube!!.. Waiting for nodal analysis, super position method , thevenin equivalent and norton method...
Since from 3 yeras I am trying to understand this concept finally I found that day in ur video
Really I have to say hats off for ur explanation thank u so much sir ❤❤
what happens if the bridge is not balanced? ie. if the resistors are not in the same ratio...
Then there are certain cases like delta to star and star to delta conversion of circuits which can make it easier.
Thank you soooooooooooo muchhh sir.....Your explanation was verryyyyyyy simple and clear...u really cleared my concepts
I dont know why, but this is the most beautiful video I've seen so far!
Love from Pakistan 🇵🇰🇵🇰🇵🇰🇵🇰, I have no words 😢😢😢😢😮
1:08 "lah!"
Such a good explanation, wish all this online explanation of topics was there in our time. Struggled with these topics a bit in school.
This is a great video! I've read a few articles on Wheatstone bridge, they either do not give specific advantage of wheatston bridge or jump straight into Kirchhoff's law, which was confusing. This one solve all my problems.
How do you get the same voltage drop across two different resistances.
Not only this video
Every videos of this channel provides conceptual knowledge and most important the teacher who explains is insane ...
Thousands of lectures are there in you tube but you find here different
You gotta feel the problem and realised how the college's teachers taught us such a easy topic in difficult ways...
This channel should be protected 🙌
I was actually confused. But once I watched this Everything was crystal clear. All other videos which I found were mainly focusing on Shortcut methods and problem solving. But this video nicely explained the theory well. Thanks a lot.
ruclips.net/video/v7amRf9-pTk/видео.html
Great video. But... you don't show how to solve the general case of an un-balanced bridge. That's the fun part, since it's pretty easy. Convert each side of the bridge (top and bottom 2 resistors) into a Thevenin equivalent, then it's just 2 voltage sources and 3 resistors in series. If you don't know how to do a Thevenin equivalent, look it up. It's a simple and very powerful circuit analysis technique that reduces ugly messy circuits into simple ones.
Maybe your next video?
Dave
OMG thank you so much for this video! I finally understood what wheatstone bridge is... You have no idea how grateful I am. It was so well explained, thank you very much!!
Beautiful video, very well explained, and great enthusiasm :)) Thank you for this gem
What ihadto do to have a constant volt.betw. A-B, solar voltage /current changing?
Im a bit confused on the potential difference part because you can connect a wire but current is still flowing through the wire even though it has the same voltage or no potential difference
man, i have the same doubt ⚡
Current always flows from high to low potential.But when there is no potential difference it wouldn't flow at all.Take the analogy of two water tanks separated by a pipe when the water level is same in both the tanks,water wouldn't flow.Hope it helps.
Sir u dont know how much u mean to me💖💖💖💖
Amazing concept and thought process thank you soo much and love you sir.❤️❤️
You got more potential energy to make things fun and quite interesting thanks for your effort.❤
Sir, what if the Wheatstone bridge is not balanced? I'm having problem to solve a math of imbalanced Wheatstone bridge.
Please show some problem solving of imbalanced Wheatstone bridge. Please sir..
It's so useful lecture for me, to clear all the doubts to related the wheat stone bridge... thanx a lot sir..
Cant i just gain all this knowledge without these headaches and mountain like burden . may allah bless u sir thank u it was very very helpful i wish i was as good as u
Finally i got cleared... ahh.. thanks buddy
Bhai jee ke questions bhi lo board level ke questions to sab samjha hi rhe hn😢
very clear explanation, Thank you!
Hey where are you from and whats your age
Thank you for making me understand this! I was searching all over RUclips for the right one!
how to calculate unbalanced wheatstone bridge total resistance
Sir in 5:10 how did we neglected the red resistance and considered 5 and 10 as in series.
Very nice introduction for kids, but do they need it?
O wao you are just amazing .i am a fan of yours just by seeing only two videos of yours
Could tell me what software you use to demonstrate in this video?
After watching this, I realized that a soothing/calm voice and proper pronunciation should be must for teaching
Yeah that is very true, my teachers are so high-pitched with crazy voice crack and even the pronunciations are not clear, I wonder every day if my teachers had a soothing voice.
@@lone_berserker😂😂😂
Crazy voice crack😂😂
Your teaching has reached god hood. Anyone can understand the concepts easily if u teach sir
Amazing Explanation Sir!!!!!!!!!!!!
You are a very great teacher man💖
Much love and respect from Bangladesh 🇧🇩🌹
Tried to grasp the concept by reading the book infinite times, memorized & forgotten.
Understood it conceptually for first time.
Thank you very much. A wonderful explanation.
Thank you so much for making this easy to understand❤️
For me, this teacher is the best for explaining concept. I've watched a lot of video but no one can make physics more clear than this. Thanks for everything🙏
Haha, till today, I read physics, today I felt it... Thanks for knowledge ❤️
If I= same then how V∝R
Because R is a constant.
5:56
Or does this mean that if we increase the voltage resistance will also be increased according. Or if we increase the resistance voltage will be increased.
Both are ryt r is constant but if you replace r=5 to r=10 there is greater potential drop that's what he ment
he is taking 'I' constant there, so it is resonable to think of Voltage varrying _in proportion_ to the Resistance.
This helped a lot, the video was simple and easy to understand. Thank you!
ruclips.net/video/v7amRf9-pTk/видео.html
I was trying to understand this principle but couldn't understand the logic behind it.
But, now, I can understand the logic all because you as I cannot learn something without questioning the logic behind it.
A great and efficient explanation sir...thank you so much...you make concepts crystal clear.......Appreciable
This is one of the things you might see in JEE. Yes, that's the point. That's why I am here.
Thank you a lot for this video! Awesome explanation :)
I understood the concept of Wheatstone bridge clearly. Best explanation. Thank you Sir💐💐💐🌹
Thank you very much sir, really appreciate it!!
Mahesh sir thank you a lot🤗
Literally amazing ❤️🔥
I own 2 different types of wheatstone bridges and never really knew what they were used for. This is a very enlightening video. Thanks from the USA. Sincerely, Chris Lake.
Thank you very much sir
this is called concept building good video
I don’t think there could be a better explanation of this topic.❤
wonderful explanation..thanks
After sal....you hit the point right... Thank you
4:36 sir please explain is it not 1:4 and 1:4
This is also crt
I have same doubt
Thank you sir. U explained everything using basics.
Thank you sir!
The session was really amazing ☺️✨
Sir...big repect i am searching for easy concepts since 1 yr but couldnt find out and i am so worried about that..but u make it sir...thanks alot....may god bless you.....❤❤❤❤❤❤
bhai kya samjaya hai 🫡🫡🫡
nice video
THANK YOU FOR THE GOOD EXPLANATION.......what about if it is extended with different ratios?
Perfect, incredible.
Awesome information
Just an awesome ride sir and u nailed it..the concept was crystal clear..🔥
You are the best teacher ever
He explained it so well thank you so much for this
Amazing explanation 😀😀 I love the way of teaching...
Thank you 👍🏼👍🏼👍🏼
Amazing video
best explanation ... thank u sirrrr
We need more teachers like you sir👍
Khan academy makes physics easy to understand...
You are such an AMAZING teacher! I hope that many thousands more people will have the opportunity to watch (and for the first time for most of them, I am sure) and understand the concepts you explain in your videos.
nobody ever told me that the main reason we neglect the resistors in the middle is bcos the potential diff is zero, if my teacher had said that, i would have clearly understood it, thank u for helping me:)
Great video, thank you sir!
This Very Useful And Logical Explanation Thank You Sir
Thank You so much!!!!
Im trying to calculate the voltage drop at R5 , total current is 2.5 ? V=IR so 2.5 x5 = 12.5 ??? can you explain how we got 3V drop at R5 ohm. thank you
how does same ratio give you same voltage? shouldn't it give you the same ratios of voltage? if the current in the upper wire experiences a 5 V drop and the one below experiences a 1 V drop, the currents resulting from them would be DIFFERENT!
Great explanation of this useful device!
amaaaazing! thanks a lot :D