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Two short electric dipole are placed as ...

Two short electric dipole are placed as shown. The energy of electric interaction between these dipole will be

A

`(2k P_(1) P_(2) cos theta)/r^(3)`

B

`(-2k P_(1)P_(2) cos theta)/r^(3)`

C

`(-2k P_(1)P_(2) sin theta)/r^(3)`

D

`(-4k P_(1)P_(2) cos theta)/r^(3)`

Text Solution

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The correct Answer is:
B
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