The electric dipoles of moments `p_(1) and p_(2)` are in a straight line. Show that the potential energy of each in the presence of the other is `-(1)/(2piepsi_(0))*(p_(1)p_(2))/(r^(3))`, where r is the distance between the dipoles. (Assume r to be much greater than the length of the dipole).

Two short electric dipoles are placed as shown in figure. Find the potential energy of electric interaction between these dipoles. [-(Kp_(1)p_(2)costheta)/(r^(3))]

Two point dipoles of dipole moment vec(p)_(1) and vec(p)_(2) are at a distance x from each other and vec(p)_(1)||vec(p)_(2) . The force between the dipoles is :

Two point electric dipoles with dipole moment P_(1) and P_(2) are separated by a distance r with their dipole axes mutually perpendicular as shown. The force of interaction between the dipoles is (where k=(1)/(4piepsilon_(0)) )

When dipole moment vec(p) of a dipole is parallel to electric field intensity vec(E ) (stable equilibrium) the potential energy of dipole is

Two identical electric point dipoles have dipole moments vec(P_1) = p hati and vec(P_2) = p hati and are held on the x axis at distance 'a' from each other. When released, they move along the x-axis with the direaction of their dipole moments remaining unchanged. If the mass of each dipole is 'm', their speed when they are infinitely for apart is :

An electric dipole of moment p is kept at a distance r form an infinte long charged wire of linear charge density lambda as shown.Find the force acting on the dipole?

Two short electric dipoles of moment P and 8P are placed in opposite direction on a line at a distance of 15cm .The electric field will be zero at point between the dipoles whose distance from the dipole of moment P is?

Two electric dipoles of moment P and 64P are placed in opposite direction on a line at a distance of 25 cm . The electric field will be zero at point between the dipoles whose distance from the dipole of moment P is

A short electric dipole has dipole moment p. Find the distance of farthest point from the dipole where (a) potential due to the dipole is V_0 (b) Electric field due to the dipole is E_0

A dipole of electric dipole moment p is placed in a uniform electric field of strength E. If theta is the angle between positive direction of p and E, then the potential energy of the electric dipole is largest when theta is