The mid points of two small magnetic dipoles of length d in end-on pos – McqOptions

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1.	The mid points of two small magnetic dipoles of length d in end-on positions, are separated by a distance x, (x>>d). The force between them is proportional to \[{{x}^{-n}}\] where n is:
A.	1
B.	2
C.	3
D.	4
Answer» E.

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