Two concentric conducting thin spherical shells A andB having radii rA and `r8 (r_(8) gt r_(A))` are charged to `Q_(A)` and `- Q_(B)(|Q_(B)| gt |Q_(A)|)`. The electric field strength along a line passing through the centre varies with the distance x as :

Two concentric coducting thin spherical shells A and B having radii r_A and r_B(r_Bgtr_A) are charged to Q_A and -Q_B(|Q_B|gt|Q_A|) . The electrical field along a line passing through the centre is

Two concentric coducting thin spherical shells A and B having radii r_A and r_B(r_Bgtr_A) are charged to Q_A and -Q_B(|Q_B|gt|Q_A|) . The electrical field along a line passing through the centre is

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

The concentric, thin metallic spheres of radii r_(1) and r_(2) (r_(1) gt r_(2)) carry charges q_(1) and q_(2) respectively. Then the electric potential at distance r (r_(2) lt r lt r_(1)) will be (1)/(4pi epsilon_(0)) times

Two concentric thin metallic spherical shells of radii R_(1) and R_(2) (where R_(1) lt R_(2) ) are charged with q_(1) and q_(2) coulombs, respectively. Using Gauss' theorem show that, (i) the electric field intensity for radius r lt R_(1) is zero, (ii) the electic field intensity for radius r, where R_(1) lt r lt R_(2), is (1)/(4pi epsilon_(0)).(q_(1))/(r^(2)) and (iii) the electri field intensity for radius r gt R_(2) is (1)/(4pi epsilon_(0)).(q_(1)+q_(2))/(r^(2)) .

Two concentric, thin metallic spheres of radii R_(1) and R_(2) (R_(1) gt R_(2)) bear charges Q_(1) and Q_(2) respectively. Then the potential at distance r between R_(1) and R_(2) will be

Two concentric spherical shells of radius R_(1) and R_(2) (R_(2) gt R_(1)) are having uniformly distributed charges Q_(1) and Q_(2) respectively. Find out total energy of the system.