Two charged conducting spheres of radii `r_1` and `r_2` connected to each other by a wire. Find the ratio of electric fields at the surface of the two spheres.

Two charges 2Q and -Q are placed at the points (a,0,0) and (4a,0,0) respectively. With the two charges situated at the cenres, two spheres of radii 2a and 8a are considered. What is the ratio of electric flux through the surfaces of the two spheres?

Two conducting spheres of radii r_1" and "r_2 are connected by a thin conducting wire.Some amount of charges is given to the system. The charge will be shared between them in such a way that the ratio between the surface densities of charge on the spheres is equal to

A uniformly charged conducting sphere of 2.4 m diameter has a surface charge.density of 80.0muC//m^2 What is the total electric flux leaving the surface of the sphere ?

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

Two spheres of radii 4 cm and 8 cm have the same amount of charge. Determine the ratio of their surface densities of charge.

Consider two conducting spheres of radii R_1 and R_2 with R_1gtR_2 . If the two are at the same potential, the larger sphere has more charge than the smaller sphere. Compare the cahrge density of the two spheres