Question

If a dipole of dipole moment $\vec{p}$ is placed in a uniform electric field $\vec{E}$, then torque acting on it is given by
(a) $\vec{\tau}=\vec{p}.\vec{E}$
(b) $\vec{\tau}=\vec{p}\times\vec{E}$
(c) $\vec{\tau}=\vec{p}+\vec{E}$
(d) $\vec{\tau}=\vec{p}-\vec{E}$

Answer 1

hi friend

according to given situation my answer is option (B)

Hope it helps u

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