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An electric dipole has fixed dipole moment \vec{P}, which makes angle θ with respect to x-axis. When subjected to an electric field \overrightarrow{\mathbf{E}_{1}}=\mathbf{E} \hat{\mathbf{i}} it experiences a torque \overrightarrow{\mathrm{T}_{1}}=T \mathrm{k}. When subjected to another electric field \overrightarrow{\mathbf{E}_{2}}=\sqrt{\mathbf{3}} \mathbf{E}_{1} \hat{\mathbf{j}} it experiences a torque \overrightarrow{\mathbf{T}_{2}}=-\overrightarrow{\mathbf{T}_{1}} The angle θ is :

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