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Question

The potential energy of the dipole in the equilibrium position is :


A
+3×1023J
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B
3×1023J
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C
6×1023J
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D
3×1036J
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Solution

The correct option is B 3×1023J
As dipole is in equilibrium P.E. should be minimum
θ= angle between dipole and electric field =0o
Now, potential energy
U=P.E
=7.68×1029×4×105
=3×1023 J

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