A positivley charged infinite plane sheet has surface charge density `alphac/m^2`. A metalic ball of mass m and charge Q is suspended by an insulated thread from the sheet. What will be the angle with the verticle sheet at the equilibrium condition? What quanity is dipole? Either scalar or vector?

A small charged particle of mass ‘m’ and charge q is suspended by an insulated thread in front of a very large conducting charged sheet of surface density of charge sigma . The angle made by the thread with the vertical in equilibrium is

The surface density of charge on a large vertical positively charged plate is sigma C* m ^ ( -2 ) . A string attaches a metal ball of mass M and charge + q with the plate. Find out the angle between the string and the plate in equilibrium.

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 ?

An infinitely large thin plane sheet has a uniform surface charge density +sigma . Obtain the expression for the amount of work done in bringing a point charge q from infinity to a point, distant r, in front of the charged plane sheet.

Two infinite parallel sheets A and B have surface charge density +sigma are held as shown below. Graphically represent the variation of electric field due to the two sheets as one moves from the point O to P

Two tiny spheres each having mass mkg and charge q coulomb are suspended from a point by insulating threads each l metre long but negligible theta with the vertical. Prove that, q^(2)=(4mgl^(2)sin^(2)theta tan theta)4pi epsilon_(0)

The line AA' is on a charged infinite conducting plane which is perpendicular to the plane of the paper. The plane has a surface density of charge sigma and B is a ball of mass m with a like charge of magnitude q, B is connected by a string from a point on the line AA . The tangent of the angle (0) formed between the line AA' and the string is:

Three infinite plane sheets carrying uniform charge densities -sigma , 2 sigma , 4 sigma are placed parallel to XZ plane at Y = a, 3a, 4a respectively. The electric field at the point (0, 2a, 0) is

A pith ball having charge -20 esu and mass 0.1 g remians suspended at rest in air 2 cm below an insulated charged sphere.What is the amount of charge on the sphere and what is the nature of that charge? Given g=980 cm.s^(-2)

Two infinite parallel sheets A and B having uniform surface charge densities sigma and -sigma are held as shown below Graphically represent the variation of electric field due to the two sheets as one moves from the point O to P.