Task 31678.
A dipole with an electric moment of 2 nC m is in a uniform electric field of 20 kV / m. The vector p makes an angle of 60 ° with the direction of the field lines. Determine the work done by external forces rotate the dipole at an angle of 30 °.
Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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