Two isolated metallic solid spheres of radii R and 2R are charged such that both of these have same charge density `sigma`. The spheres are located far away from each other and connected by a thin conducting wire. Find the new charge density on the bigger sphere.

Two isolated metallic solid spheres of radii R and 2R are charged such that both of these have same charge density 12 muC//m^(2) . The spheres are located far away from each other, and connected by a thin conducting wire. Find the new charge density on the bigger sphere in muC//m^(2) .

Two metallic spheres of radii R and 2 R are charged so that both of these have same surface charge density, sigma . If they are connected to each other with a conducting wire, in which direction will the charge flow and why ?

(i) If two similar large plates, each of area A having surface charge densities +sigma and -sigma are separated by a distance d in air,find the expression for (a) field at points between the two plates and on outer side of the plates. Specify the direction of the field in each case. (b) the potential difference between the plates. (c) the capacitance of the capacitor so formed. (ii) Two metallic spheres of radii R and 2R are charged so that both of these have same surface charge density sigma . If they are connected to each other with a conducting wire, in which direction will the charge flow and why ?

Two isolated metallic spheres of radii 2 cm and 4 cm are given equal charge, then the ratio of charge density on the surfaces of the spheres will be

two metal spheres of radii R_(1) and R_(2) are charged to the same potential. The ratio of charges on the spheres is

Two conducting spheres of radii r_(1) and r_(2) are charged to the same surface charge density . The ratio of electric field near their surface is

Two conducting spheres of unequal radii are given cahrge such that they have the same charge density. If they are now brought in contact,