Three charges are placed as shown . Find dipole moment of the arrangements .
(a)

Four charge particles of chagres -q,-q,-q and 3q are placed at the vertices of a square of side a as shown. The magnitude of dipole moment of the arrangement is 2^(n//2) qa where n is ______.

Dipole moment is shown by

The magnetic moment of the arrangment shown in the figure is

Three rings, each of mass P and radius Q are arranged as shown in the figure. The moment of inertia of the arrangement about YY' axis will be

Three charges are placed at the vertices of an equilateral trianlge of side a as shown in the following figure. The force experienced by the charge placed at the vertex A in a direction normal to BC is

Three charges are placed at the vertices of an equilateral trianlge of side a as shown in the following figure. The force experienced by the charge placed at the vertex A in a direction normal to BC is

four charges are placed each at a distance from origin. the dipole moment of configuration is

An electric dipole is placed perpendicular to an infinite line of charge at same distance as shown in figure. Identify the correct statement.

A thin metallic spherical shell contains a charge Q on it. A point charge q is placed at the center of the shell and another charge q_1 is placed outside it as shown in the figure. All the three charges are positive. Find the force on the charge a. at centre due to all charges. b. at center due to shell.

4 charges are placed each at a distance a from origin . The dipole moment of configuration is . .