A point charge is located at the center of a thin spherical conducting shell of inner and outer radii r1 and r2, respectively. A second thin spherical conducting shell of inner and outer radii R1 and R2, respectively, is concentric with the first shell. The flux is as follows for the different regions of this arrangement. Φ = −10.3 ✕ 103 N · m2/C for r < r1Φ = 0 for r1 < r < r2Φ = 36.8 ✕ 103 N · m2/C for r2 < r < R1Φ = 0 for R1 < r < R2Φ = −36.8 ✕ 103 N · m2/C for r > R2

Complete Question

The complete question is shown on the first uploaded image

The  point charge is  

The inner shell is  

The outer shell is  

Explanation:

From the question we are told that

    The inner radius of thin first spherical conducting shell is  

    The outer radius of thin first spherical conducting shell is  

    The inner radius of second thin spherical conducting shell is

    The outer radius of second thin spherical conducting shell is

     The magnetic flux for different region is  

    The magnetic flux for first shell is

     The magnetic flux for second shell is

The magnitude of the point charge is mathematically represented as

Considering the inner shell

=>    

Charge on the inner shell is

Considering the outer  shell

=>    

Charge on the outer shell is

real, smaller and upside-down.   so the answer should be b.

he made 11 calls in one day