The insulated spheres of radii `R_(1)` and `R_(2)` having charges `Q_(1)` and `Q_(2)` respectively are connected to each other. There is

Two conducting spheres of radii r_(1) and r_(2) having charges Q_(1) and Q_(2) respectively are connected to each other. There is

There are two spheres of radii R and 2R having charges Q and Q_(2) respectively. These two spheres are connected with a cell of emf V volts as shown in figure. When switch is closed, the final charge on sphere of radius 2R is Q + (8pi epsilon_(0) RV)/(n) . Then find the value of n.

Two non-conduction hollow uniformly charged spheres of radil R_(1) and R_(2) with charge Q_(1) and Q_(2) respectively are places at a distance r. Find out total energy of the system.

Two non-conduction hollow uniformly charged spheres of radil R_(1) and R_(2) with charge Q_(1) and Q_(2) respectively are places at a distance r. Find out total energy of the system.

There are two spheres of radii R and 2R having charges Q and Q//2 , respectively. These two spheres are connected with a cell of emf V volts as show in. When the switch is closed, find the final charge on each sphere.

There are two spheres of radii R and 2R having charges Q and Q//2 , respectively. These two spheres are connected with a cell of emf V volts as show in. When the switch is closed, find the final charge on each sphere.

Two concentric, thin metallic spheres of radii R_(1) and R_(2) (R_(1) gt R_(2)) charges Q_(1) and Q_(2) respectively Then the potential at radius r between R_(1) and R_(2) will be (k = 1//4pi in)