Electric Field of Non-Conducting Cylinder

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The discussion revolves around calculating the electric field of a uniformly charged non-conducting cylinder and its surrounding concentric tube, based on different radial distances from the center. Participants emphasize the importance of applying Gauss's law to derive the electric field in specified regions: inside the cylinder, between the cylinders, and outside the outer cylinder. A request for clarification on the user's current understanding and where they are struggling is made, highlighting the need for an initial attempt at the problem. The conversation encourages active participation and problem-solving. Understanding the application of Gauss's law is crucial for solving this physics question.
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Hello, people, it would be great if you can answer this particular physics question.

A very long solid non conducting cylinder Radius R is uniformly charged with a Volume charge density. It is surrounded by a concentric cylinder tube of inner radius R3 as shown in Figure, and it also carries a uniform volume charge density?

Determine the electric field as a function of the distance r from the center of the Cylinder for :

a) 0<r<R1
b) R1<r<R2
c)R2<r<R3
d)R3<r

http://img401.imageshack.us/img401/9088/captureob.jpg
 
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farhanafzal said:
Hello, people, it would be great if you can answer this particular physics question.

A very long solid non conducting cylinder Radius R is uniformly charged with a Volume charge density. It is surrounded by a concentric cylinder tube of inner radius R3 as shown in Figure, and it also carries a uniform volume charge density?

Determine the electric field as a function of the distance r from the center of the Cylinder for :

a) 0<r<R1
b) R1<r<R2
c)R2<r<R3
d)R3<r

http://img401.imageshack.us/img401/9088/captureob.jpg
[/URL]

Hi and welcome to PF.
You have to show some attempt in order to get help. Where are you stuck exactly? Do you know Gauss's law?
 
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Thread 'Correct statement about size of wire to produce larger extension'
The answer is (B) but I don't really understand why. Based on formula of Young Modulus: $$x=\frac{FL}{AE}$$ The second wire made of the same material so it means they have same Young Modulus. Larger extension means larger value of ##x## so to get larger value of ##x## we can increase ##F## and ##L## and decrease ##A## I am not sure whether there is change in ##F## for first and second wire so I will just assume ##F## does not change. It leaves (B) and (C) as possible options so why is (C)...

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