Calculating Flux in Three Spherical Shells with Varying Charge Distributions

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To calculate the electric flux through the spherical shells at radii 1.5m and 2.5m, the net charge enclosed within those radii must be determined using Gauss's Law. For r = 1.5m, only the charge from the inner shell contributes, while for r = 2.5m, both the inner and middle shells' charges must be considered. The charge densities are 2μC/m² for the inner shell, -4μC/m² for the middle shell, and 5μC/m² for the outer shell. The calculations involve integrating these charge distributions over the respective areas. The discussion highlights the importance of correctly applying Gauss's Law and adjusting for permittivity in the calculations.
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Please Help ...Urgent ! Don't know how to solve

1. Homework Statement [/b]

3 concentric spherical shells r = 1, r = 2, and r = 3m and have charge distributions 2micro C/m^2, -4microC/m^2, and 5 microC/m^2.

Calculate the flux through r = 1.5m and r = 2.5m

How to Do? please help...don't know use which formula
 
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The idea is that the flux trough the radii given will be given according to net charge contained inside - adjusted by ε of course.
 


thanks for helping i already solve the question...Just i made a mistake and now the problem is solved with yours helpful link...once again thank you
 

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