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An electric dipole of moment P is lying along a uniform electric field E. The work done in rotating the dipole by 90° is


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Aditi Chauhan , 12 Years ago
Grade 10
anser 2 Answers
Amit Saxena

(c)

Work done in rotating a dipole , =pE(1-cosq)

If q = 90°, work done = pE (1- 0) = pE

Last Activity: 12 Years ago
Rishi Sharma
Dear Student,
Please find below the solution to your problem.

Workdone = ΔpE
pE = −p​E
pEf​ = 0
pEi​ = −pE
ΔpE = pE

Thanks and Regards
Last Activity: 5 Years ago
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