Physics · 2013
NEET 2013 · 18 May · Code Y · Q102
An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. The energy required to rotate the dipole by 90° is:
An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. The energy required to rotate the dipole by $\displaystyle 90$° is :
Official answer
(4)
pE
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