Q.
An electric dipole when placed in a uniform electric field E will have minimum potential energy, if a positive direction of dipole moment makes the following angle with E
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a
π
b
π/2
c
Zero
d
3π/2
answer is C.
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Detailed Solution
Potential energy=−pEcosθ Whenθ=0 . Potential energy=−pE (minimum)
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