A hollow conducting spherical shell has radii of 0.80 m and 1.20 m, The radial component of the electric field at a point that is 0.60 m from the center is closest to

Complete Question

The complete question is  shown on the first uploaded image  

The electric field at that point is  

Explanation:

From the question we are told that  

       The  radius of the inner circle is

        The  radius of the outer circle is  

       The  charge on the spherical shell

      The magnitude of the point charge at the center is  

        The  position we are considering is  x =  0.60 m  from the center

Generally  the  electric field  at the distance x =  0.60 m  from the center  is mathematically represented as

substituting values  

where  k is  the coulomb constant with value

     substituting values

0.3x0.21x0.08kg=mass 1 sheet

mass 500 = 500xmass 1

volume pile = 0.3x0.2x0.048

density=mass/volume= 500xmass 1/0.3x0.2x0.048

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