An electric dipole of moment p is placed in a uniform electric field E. Then,
(i) the torque on the dipole is p $\times$ E.
(ii) the potential energy of the system is p $\cdot$ E.
(iii) the resultant force on the dipole is zero.
Choose the correct option, based on above statements.

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(i) and (iii) are correct and (ii) is wrong

(i), (ii) and (iii) are correct

Only (i) is correct

(i) and (ii) are correct and (iii) is wrong

answer is B.

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Detailed Solution

The torque acting on the dipole is given by $τ = p \times E$ , the potential energy of the dipole is given by $U = - P \cdot E$ and the resultant force on the dipole is zero.

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