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JEECUP (UP Polytechnic) Dipole in External Field — practice questions

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An electric dipole of moment $\vec p$ is placed in a uniform external field $\vec E$. The torque on it is:An electric dipole of moment $p = 2 \times 10^{-8}$ C·m is placed in a uniform field $E = 10^5$ N/C. The work