Q.

Two small dipoles  p¯1  and p¯2 , oriented perpendicular to each other are lying in a plane as shown in figure . p¯1   is oriented along the line of separation p¯2 and is oriented perpendicular to line of separation. Then which of the following option(s) is/are INCORRECT at this position:

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a

Force of interaction between them is attractive is nature

b

Force of interaction between them is repulsive in nature.

c

Magnitude of net force between them is zero.

d

Magnitude of force is inversely proportional to  r4 (r is separation between the two small dipoles)

answer is A, B, C.

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Fr=0   Fθ0

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