The diagram shows a part of uniformly charged disc of radius R having surface charge densityo. If electric potential at the center O is Then find N. 1 N Х OR 280 R R/2

8.The diagram shows a part of uniformly charged disc of radius R having surface charge density sigma .If electric potential at the center 0 is (1)/(N)times(sigma R)/(2 varepsilon_(0)) Then find N .

The diagram shows a part of disc of radius R carrying uniformly distributed charge of density sigma . Electric potential at the centre O of parent disc is

There is a hemisphere of radius R having a uniform volume charge density rho . Find the electric potential and field at the centre

A quarter ring of radius R is having uniform charge density lambda . Find the electric field and potential at the centre of the ring.

Figure shows a uniformly charged hemisphere of radius R. It has a volume charge density rho . If the electric field at a point 2R, above the its center is E, then what is the electric field at the point 2R below its center?

Two charged spheres of radii R_(1) and R_(2) having equal surface charge density. The ratio of their potential is

(Figure 3.139) shows three circular arcs, each of radius R and total charge as indicated. The net electric potential at the center of curvature. .

Derive the expression of electric field intensity at a point 'P' which is situated at a distance x on the axis of uniformly charges disc of radius R and surface charge density sigma . Also, derive results for (i) x gt gt R (ii) x lt lt R

A charge Q is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the center O of the ring. (a)

A charge Q is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the centre O of the ring