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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2006
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Q)

An electric dipole of moment p is lying along a r uniform electric field E . The work done in rotating the dipole by 90º is:-


( A ) $\frac {pE}{2}$
( B ) $p E$
( C ) $2pE$
( D ) $\sqrt 2 {pE}$

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