Two concentric conducting spherical shells of radii `a_1 and a_2 (a_2 gt a_1)` are charged to potentials `phi_1` and `phi_2`, respectively. Find the charge on the inner shell.

Consider two concentric spherical metal shells of radii r_1 and r_2 (r_2 gt r_1) . If the outer shell has a charge q and the inner one is grounded, the charge on the inner shell is

Consider two concentric spherical metal shells of radii r_1 and r_2(r_2gtr_1) . If the outer shell has a charge q and the inner one is grounded, the charge on the inner shell is

Consider two concentric spherical metal shells of radii r_(1) and r_(2) (r_(2) gt r_(1)) . If the outer shell has a charge q and the inner one is grounded, then the charge on the inner shell is

Consider two concentric spherical metal shells of radii r_(1) and r_(2) (r_(2) gt r_(1)) . If the outer shell has a charge q and the inner one is grounded, then the charge on the inner shell is

The radii of two concentric spherical conducting shells are r_(1) and r_(2)(gt r_(1)) . The change on the oute shell is q. The charge on the inner shell which is connected to the earth is

The radii of two concentric spherical conducting shells are r_(1) and r_(2)(gt r_(1)) . The change on the oute shell is q. The charge on the inner shell which is connected to the earth is

The capacitance of the capacitors of plate areas A_1 and A_2(A_1 lt A_2) at a distance d is