Calculating Flux in Three Spherical Shells with Varying Charge Distributions

[Obama_US]

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

 

[LowlyPion]

http://hyperphysics.phy-astr.gsu.edu/hbase/electric/gaulaw.html#c1

 

[LowlyPion]

The idea is that the flux trough the radii given will be given according to net charge contained inside - adjusted by ε of course.

 

[Obama_US]

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