Two concentric conducting shells of radius `a` and `(gt a)` carry charges `Q` and `-2Q` respectively. The correct variation of electric intensity `E` as a function of `r` is given by

Two concentric conducting shells of radii R and 2R are having charges Q and -2Q respectively.In a region r

Two concentric conducting thin shells of radius R and 2 R carry charges +Q and +3Q respectively. The magnitude of electric field at a distance x outside and inside from the surface of outer sphere is same. Then the value of x is

Two concentric conducting thin shells of radius R and 2 R carry charges +Q and +3Q respectively. The magnitude of electric field at a distance x outside and inside from the surface of outer sphere is same. Then the value of x is

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, 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 2R carry charges Q and 2Q respectively.Change in electric potential on the outer shell when both are connected by a conducting wire is (k=(1)/(4 pi varepsilon_(0)))

Two concentric spherical conducting shells of radii R and 2R carry charges Q and 2Q respectively.Change in electric potential on the outer shell when both are connected by a conducting wire is (k=(1)/(4 pi varepsilon_(0)))

Two concentric spherical conducting shells of radii R and 2R are carrying charges q and 2q, respectively. Both are now connected by a conducting wire. Find the change in electric potential (inV) on the outer shell.