What is the volume of the material in a spherical shell with inner radius 'r' and outer radius 'R'?

In the figure shown the electric potential energy of the system is : (q is at the center of the conducting neutral spherical shell of inner radius a and outer radius b )

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d ( as shown in Fig . 2.121). The inner shell has a total charge + 2 q , and the outer shell has a total charge + 4 q . Calculate the electric field in terms of q and the distance r from the common center of the two shells for r lt a

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d ( as shown in Fig . 2.121). The inner shell has a total charge + 2 q , and the outer shell has a total charge + 4 q . Calculate the electric field in terms of q and the distance r from the common center of the two shells for a lt r lt b

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d ( as shown in Fig . 2.121). The inner shell has a total charge + 2 q , and the outer shell has a total charge + 4 q . Calculate the electric field in terms of q and the distance r from the common center of the two shells for b lt r lt c

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d ( as shown in Fig . 2.121). The inner shell has a total charge + 2 q , and the outer shell has a total charge + 4 q . Calculate the electric field in terms of q and the distance r from the common center of the two shells for c lt r ltd

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d ( as shown in Fig . 2.121). The inner shell has a total charge + 2 q , and the outer shell has a total charge + 4 q . Calculate the electric field in terms of q and the distance r from the common center of the two shells for r gt d

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d ( as shown in Fig . 2.121). The inner shell has a total charge + 2 q , and the outer shell has a total charge + 4 q . Calculate the electric field in terms of q and the distance r from the common center of the two shells for The graph of the radial component of E as a function of r will be

A charge +q is placed somewhere inside the cavity of a thick conducting spherical shell of inner radius R_(1) and outer radius R_(2) . A charge – Q is placed at a distance r gt R_(2) from the centre of the shell. Then the electric field in the hollow cavity-

Shown in the figure a spherical shell with an inner radius 'a' and an outer radius 'b' is made of conducting metarial. A charge +Q is placed at the centre of the spherical shell and a total charge -q s placed on the shell. Charge -q is districuted on the surfaces as :

A point charge q is placed at a distance of r from the centre O of an uncharged spherical shell of inner radius R and outer radius 2R. The electric potential at the centre of the shell will be