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Two short dipoles , each of dipole momen...

Two short dipoles , each of dipole moment `P` are placed at a large separation `r`. The force between them

A

is proportional to product of dipole momenta

B

is inversely proportional to `r^(4)`

C

the force is attractive , if direction of dipole momenta are same , repulsive if opposite

D

all options are correct

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