Three concentric spherical conductors of radii a, 2a, and 3a have charges `-Q, +2Q`, and `-4Q`, respectively. If r is the distance of the point under consideration from the center of the spheres, then find the electric field and potential due to the given configuration, for the values
(i) `r lt a`
(ii) `a lt r lt 2a`
(iii) `2 a lt r lt 3 a`
`r gt 3 a`.
.

Three concentric conducting spherical shells of radii R, R2 and 3R carry charges Q,-2Q and 3Q, respectively compute the electric field at r = (5)/(2) R

Two concentric spherical conducting shells of radii r and R (r lt R ) carry charges q and Q respectively . The two shells are now connected by a conducting wire. The final charge on the inner shell is

Three concentric conducting spherical shells of radii R,2R carry charges Q, -2Q and 3Q, respectively. Find the electric potential at r = R and at r = 3 R, where r is the radii distance from the centre.

Two concentric spherical shells of radii R and 2R have charges Q and 2Q as shown in figure If we daw a graph between electric field E and distance r from the centre, it will be like

If the potential at the center of a uniformly charged sphere of radius R is V then electric field at a distance r from the center of sphere will be ( r lt R ) : -

If the potential at the center of a uniformly charged sphere of radius R is V then electric field at a distance r from the center of sphere will be ( r lt R ) : -

Three concentric conducting spherical shells of radii R, 2R and 3R carry charges Q, - 2Q and 3Q , respectively. a. Find the electric potential at r=R and r=3R where r is the radial distance from the centre . b. Compute the electric field at r=5/2R c. Compute the total electrostatic energy stored in the system. The inner shell is now connected to the external one by a conducting wire, passing through a very small hole in the middle shell. d. Compute the charges on the spheres of radii R and 3R . e. Compute the electric field at r=5/2R