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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2012
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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 $\theta$ with the direction of the field.Assuming that the potential energy of the dipole to be zero when $\theta = 90º$, the torque and the potential energy of thedipole will respectively be


( A ) $pE sin \theta, – pE cos \theta$
( B ) $pE \;cos \theta, – 2pE \;sin \theta$
( C ) $pE \;sin \theta, – 2p\;E cos \theta$
( D ) $pE sin \theta, – 2pE cos \theta$

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