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Statement of a problem № 3689

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(a) Calculate the electric field due to a dipole on its perpendicular bisector. (b) Show that for the distance x >> d/2, where d is the distance between the charges, the field varies inversely as the cube of distance. (c) A molecule has a dipole moment of 6x10^(-30) cm. Calculate the difference in potential energy when the dipole is placed parallel to the electric field of 3x10^6 V/m and then antiparallel to the field.

Solution:
(a)  Calculate the electric field due to a dipole on its perpendicular bisector.

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