Three conducting concentric shell s`A,B, and C` of radius `a,2a,3a` are as shown in the figure.The charge on shell `B` is `Q`..The switch `S` is closed.Then after closing the switch
The charge on innermost shell is

Three conducting concentric shell s A,B, and C of radius a,2a,3a are as shown in the figure.The charge on shell B is Q ..The switch S is closed.Then after closing the switch The charge on outermost shell is

Three conducting concentric shell s A,B, and C of radius a,2a,3a are as shown in the figure.The charge on shell B is Q ..The switch S is closed.Then after closing the switch If sigma_(A),sigma_(B) and sigma_(C) are the surface charge densities on A,B and C respectively then sigma_(A):sigma(B):sigma(C) is

Figure shows two conducting thin concentric shells of radii r and 3r. The outer shell carries charge q. Inner shell is neutral. When the switch is now closed the charge that will flow to earth from the inner shell is

In the given circuit, the initial charges on the capacitors are shown in the figure. The charge flown through the switches S_(1) and S_(2) respectively after closing the switches are

In the given circuit, the initial charges on the capacitors are shown in the figure. The charge flown through the switches S_(1) and S_(2) respectively after closing the switches are

Three concentric conducting shells of radii a, b and c are shown in (Fig. 3.100). Charge on the shell of radius b is Q. If the key K is closed, find the charges on the innermost and outermost shells and the radio of charge densities of the shells. Given that a : b : c = 1 : 2 : 3 .

Three concentric conducting shells of radii a, b and c are shown in (Fig. 3.100). Charge on the shell of radius b is Q. If the key K is closed, find the charges on the innermost and outermost shells and the radio of charge densities of the shells. Given that a : b : c = 1 : 2 : 3 .

Two thin conducting shells of radii R and 3R are as shown in the fig. External shell carries a charge +Q and inner shell neutral. The inner shell is earthed with the help of a switch S . Then

Two thin conducting shells of radii R and 3R are as shown in the fig. External shell carries a charge +Q and inner shell neutral. The inner shell is earthed with the help of a switch S . Then

Three identical conducting plates are arranged as shown in figure and they are given charges as indicated.When switch S is closed,the amount of charge flown through the switch is