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(D) point charge $q$ produces a non-uniform electric field given by $E = \frac{kq}{r^2}$.Since the electric field is non-uniform,the force on the two

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The torque on the dipole due to the field may be zero.

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(D) point charge $q$ produces a non-uniform electric field given by $E = \frac{kq}{r^2}$.Since the electric field is non-uniform,the force on the two charges of the dipole ($+q$ and $-q$) will not be equal and opposite,so the net force on the dipole cannot be zero.However,the torque on the dipole is given by $\vec{	au} = \vec{p} 	imes \vec{E}$.If the dipole is placed such that its dipole moment $\vec{p}$ is parallel or anti-parallel to the electric field $\vec{E}$ at that point,the torque $\vec{	au}$ will be zero.Therefore,the torque on the dipole due to the field may be zero.

An electric dipole is placed in an electric field generated by a point charge. Which of the following statements is correct?

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An electric dipole moment $\vec{p} = (2.0\hat{i} + 3.0\hat{j}) \times 10^{-6} \text{ C m}$ is placed in a uniform electric field $\vec{E} = (3.0\hat{i} + 2.0\hat{k}) \times 10^{5} \text{ N C}^{-1}$. Which of the following statements is correct?

An electric dipole is placed in an electric field generated by a point charge.

An electric dipole is placed in a non-uniform electric field,then . . . . . . .

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