An electric dipole of dipole moment 
is placed in a uniform electric field 
such that 
is perpendicular to 
. The work done to turn the dipole through an angle of 180 0 is-
A
Zero
B
pe
C
2pE
D
pE
Text Solution
Verified by ExpertsThe correct answer is:
A
W = U f – U i = – pE × 270 – (–pE cos 90 0 ) = 0
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