Consider a finite line charge of length L and linear charge density λ that lies along the dipole axis of an ideal dipole with dipole moment p →. The end of the line charge nearest to the dipole is at a distance d from the center of the dipole.  Draw a clearly labelled Figure showing the setup. Calculate the electrical force between the two. Show all work in clear steps with justification. Show that the force reduces to an expected result when d >> L. Show all work in clear steps with justification.

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Electric field

A physical field present around an electrically charged particle that exerts a force on all other charged particles is called an electric field. The charged particles present in the field either repel or attract. From electric charges or time-varying magnetic fields, the electric field originates. One of the manifestations of electromagnetic force which is one of the four fundamental forces present in nature are the electric fields and magnetic fields.