Carey Foster's Bridge | Full Experiment | Practical File
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- Опубликовано: 25 авг 2024
- This video covers the Carey-Foster's Bridge Experiment.
1. Determination of the resistance per unit length of the Carey foster's bridge wire.
2. Determination of an Unknown Low Resistance.
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@All lab Experiments
Saaari length hmae left side se hi leni hai?
@@ffeditz_ yes... But we change resistance boxes so that left side ka resistance neglect kr sake...
Hi...how to prove taking equal resistance P & Q will make senstivity of bridge maximum
@@HemantYadav-ql1xf jss drive the sensitivity and differentiate and put it equal to zero. In any book explaining carey foster bridge you may find the expression.
@@AllLabExperiments sir what will be expression for it ?
Today is my ge practical exam nd u clear my doubt ... Thank you Sir ☺️
Same here
This video is very helpful and awesome.It really made me understand the whole practical in few minutes.👍👍
It's easily understandable, thank you!
Thank you sir for a great and understandable explanation... This help us a lot in our physics Practicle....😊.. Thank you so much..
World's best explanation of carey Foster's bridge🎉👏👏👏❤️
Thanks. Also check out our android app ALE-GradX on app store 👍
Thank u sir ... Its too understanding and i think it definitely helps me on my ge practical ❤️
Thanks a lot sir
Thank you very much sir such a wonderful explanation
First of all thank u so much for this video. Really this video is so good, excellent💯👍. So I want more videos in future.
Great understanding explanation sir😇.... Thnks
Very very very very nice explanation sir
awsm explanation sir
Thanks Nikhil
Thank you so much sir ❤
After searching for 69 minutes finally I found a good channel for experiments
Please do a noble job. share with ur friends and save their time 🤓
Love it 😍😁❤🎉 thank you 😊😊
Thankyou sir it can be understand 👍👍👍
Great explanation sir
Please upload more experiment videos
Awesome explanation ❤❤
Best video sir 👌👍👍
Awesome vedio sir I've seen a lott practical vedios but this one was best thx a lott sir ...
great👍❤❤❤
its great and very easy to understand
Great sir
Thank you 🙏
Thank u sir
Useful
Very very useful 🙂🙂
Keep it up sir please 🙏🙏🙏
Awesome explanation 🙌🙌
Your explaination is just awesome sir👍👍
Sir may i know, why sensitivity of cary foster bridge in maximum when we take resitance P and Q equal.....
Sensitivity depends upon the voltage drop per unit length of the bridge wire. More length to drop 1 volt more the sensitivity. Acc to balanced wheat stone bridge expression use any combination of diff P n Q but you will get lesser value of sensitivity whereas this value is the max when P n Q are equal.
Great Work!!!Looking for more such videos
But what low resistance y is here.
Best vedio forever
Thanks Sumit :-)
Easy explanation..
Thanks a lot sir 👌
Outstanding explanation 😍😍
Thanks sir
thanks da!
Mauj kerdi bhai mauj
Me watching half hour before practical 😅
I've gone through the link of manual practical files given in description but can't find it's manual...Kindly copy the link of that page so that I can reach directly at that page where manual of this practical is provided.This will be very helpful for me.
alllabexperiments.com/carey-fosters-bridge-file/
Please Find the link
@@AllLabExperiments Thank you soo much...
Thank u veryvery much sir 🙏
Like Kar diya sir thank you
Thanks a lot. ✨
👍
ammazing sir
Thanks
super
Thank you Sir.. It's a very good demonstration. Sir, if I will use two different P and Q value of resistance, then what will happen?
The formula will become a little bit complicated nothing else but also a high variation may shift your stable point out of range.
Brother i am not able to change the page of the file provided by you can you please help me as soon as possible
Reload it and at bottom you will find buttons to change the page
@@AllLabExperiments oh thnx brother i think it was a network issue now its ok
Sir please make video of to find viscosity of water by poisuile method
Ok adding this to my todo list for future videos
@@AllLabExperiments thanks sir
Thanks sir it's very helpful full
But when I was going to do the experiment... Some time galvanometer gives the different values at same values of l1... So what should I do... I change the galvanometer but still gives the different values
Clean the ends pf connecting wires. Sometimes some loose wire may cause such an issue
@@AllLabExperiments ok sir
Sir plzz or videos bnaiye or practicals pr
Hnji lage hue h tan mann dhan se
I'm my college, there are no separate terminal for battery connection instead I plug both the connections of P resistance with battery positive then other end of the battery is connected via key to the other jointly with Q resistance
Yes, this is the way. You are right.
To determine an unknown low resistance using carey roster's bridge ka pdf digiye
Description me link h. Website pr file milegi
For calculating the value of resistance per unit lenght of bridge wire, the value of resistance of P and Q should be same? Or they may be different?
Pls reply....
It is not mandatory but the sensitivity of the apparatus is the maximum in this condition and the calculation also becomes easy. that is why we choose equal resistances.
What is the value of X in part one and Y in part 2
Any small resistance like 0.1 ohm or so. Check the table given in this experiment.
plz tell on which software you made these presentation.
Saaari length hmae left side se hi leni hai? It doesn't depend upon the side of P and Q??????????
Yes one side. P and Q ki functioning ko switch krke you can use it for another side as well...
@@AllLabExperiments
Means P chahe left me ho ya right me we have to take length from left side na.....
❤️
Please turn on the captions mode
I am trying but not getting why it is working in some videos but not working in others...
Sir ,why we use metal strip at ends when we measure specific resistance?...pls reply sir
It means there is no resistance. Rest I have explained the reason in this video or its viva voce video . The formula for specific resistance is drived with this condition only
@@AllLabExperiments thnq so much sir❤️
Namste sir🙏 , could you please give the approximate value of the resistivity of the carey foster bridge wire
It depends upon mny factors the thickness or the purity of the wire. The system i used had 0.02 ohm pr cm of resistance
🙂👍
How to get the mean value ?
It shows one side deflection only
No both sides. But you wan null point.
What is the function of P and Q resistance box
They are just to balance the setup. As their value increases the overall potential drop in the bridge wire decreases and the resolution of your setup increases.... Check its viva questions there in a flow the concept has been explained which is easy to digest...
What we will connect as low resistance in second part...could it be a copper wire ?
Its a copper strip.
In 1st part we are using copper strip..but what is using in second part in place of low resistance?
@@salmasiddiqi9264 that is a fractional resistance box. A box of very small resistances... Even less than 1 ohm
Sir what is the low resistance y just reply quickly hence tomorrow is my practical exam
A few ohms
sirg Readings v de dete.. to jyda better rhta....
Iski description me file ka link h usme readings bhi h. Go and check it.
Why thick copper strip is zero? For carey foster bridge.
Its resistance is comparatively zero. Constantn wire carries some resistance.
@@AllLabExperiments thank you sir
why cant we use an AC source??
Just you will get oscillating galvanometer at unbalanced points... So DC is preferred coz we dont wanna make life more difficult...
Why should we measure the radius of wire used in this experiment?(using screw gauge)
That is only required if you wanna calculate its resistivity. but as long as you want its resistance per unit length, you don't need to calculate its radius.
Thank u sir
👍
Thank you sir
Thank you sir