An electric dipole of dipole moment p is lying along uniform electric field E.work done in rotating the dipole by 90 degree is

Q. An electric pole of dipole moment $\underset{p}{\to }$ is lying along uniform electric field $\underset{E}{\to }$. The work done in rotating the dipole by 90${}^{\circ }$ is:-

Q. An electric dipole of moment $p$ is lying along a uniform electric field $E$. The work done in rotating the dipole by ${90}^o$ is:

Q. An electric dipole of dipole moment $\overrightarrow{p}$ is placed along a uniform electric field $\overrightarrow{E}$. The work done in rotating the dipole slowly by ${90}^{\circ }$ is

Q. An electric dipole of dipole moment '$p$' is kept parallel to an electric field of intensity '$E$'. The work done in rotating the dipole through an angle of ${90}^o$ is :

Q. An electric dipole of dipole moment $P$ is placed parallel to a uniform electric field of magnitude $E.$ The amount of work done in slowly rotating the dipole by ${60}^{\circ }$ will be

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