A particle with charge q is to be brought from far away to a point near an elect

Question

A particle with charge q is to be brought from far away to a point near an electric dipole. Net nonzero work is done if the final position of the particle is on (select all that apply) : A) any point on the line through the charges of the dipole, excluding the midpoint between the two charges. B) any point on a line that is a perpendicular bisector to the line that separates the two charges. C) a line that makes an angle of 30 with the dipole moment. D) a line that makes an angle of 45 with the dipole moment.

Explanation / Answer

Net non-zero work is done when the charge is brough from very far to a point where the electric potential due to the dipole is non-zero. the electric potential is zero at the midpoint and the on the line of perpendicular bisector. hence correct choices are A) , C) and D)

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