`S_1` and `S_2` are two hollow concentric spheres encloing charges Q and 2 Q respectively as shown in Fig.
How will the electric flux through the spheres `S_1` change if a medium of dielectric constant 5 is introduced in the sphere inside `S_1` in place of air?

S_1 and S_2 are two parallel concentric spheres enclosing charges Q and 2Q respectively as shown in the figure. How will the electric flux through the sphere S_1 change, if a medium of dielectric constant 5 is introduced in the space inside S_1 in plae at air?

S_1 and S_2 are two hollow concentric spheres encloing charges Q and 2 Q respectively as shown in Fig What is the ratio of electric flux through S_1 and S_2 ?

S_1 and S_2 are two parallel concentric spheres enclosing charges Q and 2Q respectively as shown in the figure. what is the ratio of the electric flux through S_1 and S_2 ?

Two concentric spherical shells S_1 and S_2 enclose charge Q and 2Q as shown in the figure How will the electric flux through the shells S_1 change, if a medium of dielectric constant 10 replaces air in the shell S_1 ?

Two concentric spherical shells S_1 and S_2 enclose charge Q and 2Q as shown in the figure If air is inside the tow shells, what is the ratio of electric flux through S_1 and S_2 ?

Two concentric hollow spheres are arranged as shown in the figure. If a charge +Q is given to the outer sphere, find charge induced on the inner sphere.

Two copper shperes of radii r_1 and r_2 having charges q_1 and q_2 are connected by means of a wire. What is the electrical condition that no charge flows between them?

Two charges of magntiudes - 2Q and + Q are located at points (a,0) and (4a,0) respectively. What is the electric flux due to these charges through a sphere of radius 3 a with the centre at the origin?

A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The outer sphere is earthed and the inner sphere is given a charge of 2.5 muC . The space between the concentric spheres is filled with a liquid of dielectric constant 32. What is the potential of the inner sphere?