An electric dipole of moment p is placed in an electric field of intensity E . The dipole acquires a position such that the axis of the dipole makes an angle with the direction of the field. Assuming that the potential energy of the dipole

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An electric dipole of moment p is placed in an electric field of intensity E . The dipole acquires a position such that the axis of the dipole makes an angle with the direction of the field. Assuming that the potential energy of the dipole to be zero when =90^ , the torque and the potential energy of the dipole will respectively be

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Correct answer: A. p E ,-p E

Here, Torque =p E Potential energy of the dipole aligned U & =- d & =- _ / 2 ^0 p E d =p E[ -0] & =-p E aligned

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