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An electric dipole of dipole moment is 6.0 x 10-6 Cm  placed in a uniform electric field of 1.5 x 103 NC-1 in such a way that dipole moment is along electric field. The work done in rotating dipole by 180º in this field will be _____mJ.

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Best answer

Correct answer is 18

The work done in rotating the electric dipole = ΔU

= Uf - Ui

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