Dipole is placed parallel to the electric field.If `W` is the work done in rotating the dipole by `60^(@)` ,then work done in rotating it by `180^(@)` is....

An electric dipole is placed in a uniform electric field. The net electric force on the dipole

An electric dipole made up of a positive and negative charge, each of 1mu C separated by a distance of 2cm is placed in an electric field of 10^(5)N//C , then the work done in rotating the dipole from the position of stable equilibrium through an angle of 180^(@) is

Two opposite and equal chrages 4 xx 10^(-8) coulomb when placed 2 xx 10^(-2) cm away, from a dipole. If dipole is placed in an external electric field 4 xx 10^(8) newton/coulomb, the value of maximum torque and the work done in rotating it through 180^(@) will be

An electric dipole of moment vec(P) is lying along a uniform electric field vec(E ) . The work done in rotating the dipole by 90^(@) is:

A magnet is parallel to a uniform magnetic field. If it is rotated by 60^(@) , the work done is 0.8 J. How much work is done in moving it 30^(@) further

The work done in extending a spring by x_0 is W_0 . Find the work done in further extension x_0 .

Electric Field due to Dipole

A molecule with a dipole moment p is placed in an electric field of strength E . Initially the dipole is aligned parallel to the field. If the dipole is to be rotated to be anti-parallel to the field, the work required to be done by an external agency is

A molecule with a dipole moment p is placed in an electric field of strength E . Initially the dipole is aligned parallel to the field. If the dipole is to be rotated to be anti-parallel to the field, the work required to be done by an external agency is

An electric dipole of dipole moment vecP is placed in a uniform electric field vecE such that vecP is perpendicular to vecE . The work done to turn the dipole through an angle of 180^(@) is -