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NEET 2006 (AIPMT) · Electric Dipole

Electric Dipole question from NEET 2006 (AIPMT)

Q74NEET 2006 · AIPMTEasy

Electric Dipole

An electric dipole of moment p⃗\vec{p}is lying along a uniform electric field E⃗\vec{E}. The work done in rotating the dipole by 90o is

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Answer: (a)

  1. W=pE(cos⁡0∘−cos⁡90∘)=pEW = pE(\cos 0^\circ - \cos 90^\circ) = pE
  2. So the answer is (a) pEpE.
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