A conducting sphere of radius `alpha` has charge `Q` .on it.It is enclosed by a neutral conducting concentric spherical shell having inner radius `2alpha` and outer radius `3 alpha`.Find electrostatic energy of system

A conducting sphere of radius r has a charge . Then .

A solid conducting sphere of radius a having a charge q is surrounded by a concentric conducting spherical shell of inner radius 2a and outer radius 3a as shown in figure. Find the amount of heat porduced when switch is closed (k=1/(4piepsilon_0))

A conducting sphere of radius R carries a charge Q. It is enclosed by another concentric spherical shell of radius 2R. Charge from the inner sphere is transferred in infinitesimally small installments to the outer sphere. Calculate the work done in transferring the entire charge from the inner sphere to the outer one.

A solid conducting sphere of radius a has a net positive charge 2Q . A conducting spherical shell of inner radius b and outer radius c is concentric with the solid sphere and has a net charge -Q . The surface charge density on the inner and outer surfaces of the spherical shell will be

A point charge +q is placed at the centre of a conducting spherical shell of inner radius a and outer radius b. Find the charge appearing on the inner and outer surface of the shell.

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 point charge q is brought slowly from infinity and is placed at the centre of a conducting neutral spherical shell of inner radius a and outer radius b, then find work done by external agent :

A solid insulating sphere of radius a carries a net positive charge 3Q , uniformly distributed throughout its volume. Concentric with this sphere is a conducting spherical shell with inner radius b and outer radius c and having a net charge -Q, as shown in figure a. Consider a spherical Gaussian surface of radius rgtc, the net charge enclosed by this surface is ............. b. The direction of the electric field rgtc is ............. c. The electric field at rgtc is ............... . d. The electric field in the region with radius r, which cgtrgtb, is ............... e. Consider a spherical Gaussian surface of radius r, where cgtrgtb , the net charge enclosed by this surface is ................ . f. Consider a spherical Gaussian surface of radius r, where bgtrgta , the net charge enclosed by this surface is ................. . g. The electric field in the region bgtrgta is ................ . h. Consider a spherical Gaussian surface of radius rlta . Find an expression for the net charge Q(r) enclosed by this surface as a function of r. Note that the charge inside the surface is less than 3Q. i. The electric field in the region rlta is ................. . j. The charge on the inner surface of the conducting shell is .......... . k. The charge on the outer surface of the conducting shell is .............. . l. Make a plot of the magnitude of the electric field versus r.

A nonconducting sphere with radius a is concentric with and surrounded by a conducting spherical shell with inner radius b and outer radius c. The inner sphere has a negative charge uniformly distributed throughout its volume, while the spherical shell has no net charge. The potential V (r) as a function of distance from the center is given by

A metal sphere of radius 'a' is having charge +Q . Now it is connected by a conducting wire concentric spherical shell of radius '2a'. Then the potential at the surface of outer shell is Here, K=(1)/(4pi epsilon_(0))